String multiply() {
	    cleanY = true;
	    minusOne = 1;
        if (enterX) {
            enterX = false;
            minusOne = 1;
            y = x;
            if (equalCalled) prevOpn = "";
            prevOpn = "multiply";
            equalCalled = false;
            return format(x);
        } else {
            if (canCalculate) {
                String output = equals();
                y = result;
                prevOpn = "multiply";
                equalCalled = false;
                return output;
            } else {
                prevOpn = "multiply";
                equalCalled = false;
                return format(x);
            }
        }
	}