if y is the smallest positive integer such that 1,260 multiplied by y is the square of an integer , then y must be
"1260 = 2 * 2 * 3 * 3 * 7 * 5 , so we need one 7 and one 5 to make it a square of a number . so 7 * 5 = 35 ans : d"
multiply(add(const_2, const_3), const_2)