In a subtraction formula, the sum of the minuend, the subtrahend and the difference is equal to 88, and the difference is 3 times the subtrahend, so what is the difference?
在一个减法算式里，被减数、减数与差的和等于88，而差是减数的3倍，那么差是多少．
<gadget id="calculator">88 / 2</gadget>
<output>44</output>

<gadget id="calculator">1 + 3</gadget>
<output>4</output>

<gadget id="calculator">44 / 4</gadget>
<output>11</output>

<gadget id="calculator">11 * 3</gadget>
<output>33</output>

<result>33</result>