Problem: calculate the largest 6 digit number which is exactly divisible by 99 ?
Rationale: "largest 4 digit number is 999999 after doing 999999 ÷ 96 we get remainder 55 hence largest 4 digit number exactly divisible by 88 = 9999 - 55 = 9944 answer : d"
annotated_formula: multiply(add(const_100, const_2), 99)