Reasoning and answer: In the beginning, Martha lost 18 / 2 = 9 crayons. So after she bought a set of new crayons, she has in total 9 + 20 = 29 crayons.
The answer: 29
What was the question?
Question: Martha has 18 crayons. She lost half of them, so she bought a new set of 20 crayons. How many crayons in total does Martha have after the purchase?

Reasoning and answer: There are 4 x 2 = 8 cargo ships. There are 8 + 6 = 14 sailboats. There are 14 / 7 = 2 fishing boats. There are 4 + 8 + 14 + 2 = 28 vessels on the water.
The answer: 28
What was the question?
Question: A busy port has 4 cruise ships and twice as many cargo ships. The number of sailboats is 6 more than the cargo ships and seven times more than fishing boats. How many vessels are there on the water?

Reasoning and answer: Honey earned 20 x $80 = $1600 for 20 days of work. Therefore, Honey saved $1600 - $1360 = $240 in 20 days.
The answer: 240
What was the question?
Question:
Honey earned $80 a day. Every day, she spent part of her pay and saved the rest. After 20 days of work, she spent $1360. How much did Honey save in 20 days?