find the average of all prime numbers between 10 and 40
"prime numbers between 10 and 40 are 11 , 13 , 17 , 19 , 23 , 29 , 31 , 37 required average = ( 11 + 13 + 17 + 19 + 23 + 29 + 31 + 37 ) / 8 = 180 / 8 = 22.5 answer is b"
divide(add(add(add(10, const_1), add(add(10, const_1), const_2)), add(subtract(40, 10), subtract(40, const_2))), 10)