what is the smallest positive integer x , such that 7000 x is a perfect cube ?
"take out the factors of 7000 x that will come 10 ^ 3 * 7 . for perfect cube you need every no . raise to the power 3 . for 7000 x to be a perfect cube , need two 7 that means 49 . e is the answer ."
add(const_3, const_4)