There are three numbers: A, B and C. A is seven times that of B, and C is 98 times that of B. If a is 112, how many years has C been/

There are three numbers: A, B and C. A is seven times that of B, and C is 98 times that of B. If a is 112, how many years has C been/

B = 112 △ 7 = 16
C = 16 × 98 = 1568
Comprehensive:
112÷7×98
=16×98
=1568