if the wheel is 21 cm then the number of revolutions to cover a distance of 1056 cm is ?
"2 * 22 / 7 * 21 * x = 1056 = > x = 8 answer : a"
divide(1056, multiply(multiply(const_2, divide(add(add(multiply(const_3, const_100), multiply(const_1, const_10)), const_4), const_100)), 21))