The sum of the minuend, the subtrahend and the difference is 144, and the subtrahend is 3 times the difference. If the subtrahend remains unchanged and the difference is increased by 10, what should the subtrahend be?
被减数、减数、差相加的和为144，减数是差的3倍．如果被减数不变，差要增加10，减数应变为多少．
<gadget id="calculator">144 / 2</gadget>
<output>72</output>

<gadget id="calculator">72 - 28</gadget>
<output>44</output>

<result>44</result>