how many multiples of 7 are there between 14 and 252 ?
"it should be mentioned whether 14 and 252 are inclusive . if 14 and 252 are inclusive , then the answer is ( 252 - 14 ) / 7 + 1 = 35 . if 14 and 252 are not inclusive , then the answer is ( 245 - 21 ) / 7 + 1 = 33 . since oa is a , then we have not inclusive case ."
add(divide(subtract(252, 14), 7), const_1)