What number do you fill in this sentence? What is the number to fill in this?

One day and three autumns Source] See "The Book of Songs, Wang Feng, Cai Ge": "Pi Cai Ge Xi, one day is not seen, such as March Xi." Pi Cai Aixi, not seen for a day, such as three autumns. He is depressed, and he doesn't see him for a day, like a three-year-old man. ”

Use case] (Qing Cao Xueqin's "Dream of Red Mansions: Chapter 82"): Baoyu said: "It's amazing!

Didn't I get called to study by my lord today? It seems like there is no day left in my heart to see you. It's been easy to survive a day, and when I see you, it's like I have come back from the dead.

The ancients really said that "three autumns in one day" is no matter how good this is. ’”

Commentary] The poem describes the deep nostalgia of the author Yu Caigenu. In ancient times, men and women often went up to the mountain to collect medicine. Love each other over time; Lang is in love with concubines and admires. I don't see you for a day, I still don't see March, like every three autumns, like three years away, and the feelings of longing are beyond words.

Also made [I don't see you for a day, like every other three autumns] (Qiong Yao's "I Am a Cloud, Chapter 16"): Aren't you too charming? Jue Jue smiled and said: "People don't see each other for a day, such as every three autumns, and your husband, you don't see a single thing, like every three autumns!" ’”

Interpretation] Kudzu: perennial mangrass, can be woven cloth. Xiao: Reeds, burned with fire, have a fragrance, and were used for sacrifices in ancient times. Mugwort: that is, mugwort, its leaves can be used to make mugwort, or for acupuncture. Three autumns: refers to the three seasons.

One day and three autumns] originally meant not seeing each other for one day, such as every three seasons. Later, Yu longed for his heart, and often used this phrase.

One mango = 15 3 = 5

One vegetable banana = (13-5) 2 = 4

Then one banana = 4 4 = 1

Half a papaya = (8 + 4) 2 = 6

One mango + three bananas + half a papaya.

The sum of 3 mangoes is 15 to get a mango = 5

The first formula gives Mango = 5

Bringing mango = 5 into the second equation gives Banana = 4 and Bringing Banana = 4 into the third equation gives Papaya = 12 Mango = 5, Banana = 4, Papaya = 12 gives the result of 21

One mango is 5

One banana is 4

Half of what is 12

So it adds up to 21

One mango is 5

A bunch of four bananas is 4

One papaya is 12

Finally, 5 + 3 + 6 = 14

You should fill in: r, this is the gear of the car, r (reverse).

May 5

Similar to 1 above plus 4 below to 5 above.

You need to look at the result, and you can see that the result is seven. You need to list all the formulas that add up to seven and try them one by one until you find the answer.

Deeds. Pinyin]: yī yán yī xíng

Funny clever interpretation]: Every word, every action.

4 1 * 7 = 7 in the lower right corner 2 * 9 = 18 on the right side The product of the outer 2 = the number in the first 2.