what is the angle between the two hands of a clock when time is 8 : 30
"use the formula i . e 1 / 2 ( 60 h - 11 m ) / / h - hour and m - minute 1 / 2 ( 60 * 8 - 11 * 30 ) 1 / 2 ( 150 ) 75 degree answer : d"
subtract(multiply(30, multiply(const_3, const_2)), 8)