pragma solidity 0.4.18; contract gfgMultiply { int128 firstNo ; int128 secondNo ; function firstNoSet(int128 x) public { firstNo = x; } function secondNoSet(int128 y) public { secondNo = y; } function multiply() view public returns (int128) { int128 answer = firstNo * secondNo ; return answer; } } 0.4.18