3.14X7

Question: 3.14X 1

Answer: 3.14

==================================================

Question: 3.14x2

Answer: 6.28

==================================================

Question: 3.14x3

Answer: 9.42

==================================================

Question: 3.14x4

Answer: 12.56

==================================================

Question: 3.14x5

Answer: 15.7

==================================================

Question: 3.14x6

Answer: 18.84

==================================================

Question: 3.14x7

Answer: 21.98

==================================================

Question: 3.14x8

Answer: 25.12

==================================================

Question: 3.14x9

Answer: 28.26

==================================================