[Reg 6.5 -> 6.6] Miscompilation of arithmetic operators

function execute() {
        let ihn = input();
        if (!ihn)
            return;

        let result = ihn.value;
        if (direction === Direction.BACKWARD) {
            if (offset)
                result -= offset.value;
            if (scale)
                result /= scale.value;
        } else {
            if (scale)
                result *= scale.value;
            if (offset)
                result += offset.value;
        }

        setOutput(result);
    }