Warehouse A stores 54 tons of grain, and Warehouse B stores 70 tons of grain. If the number of tons shipped from Warehouse B is put into Warehouse A, the grain stored in Warehouse A is three times that of Warehouse B.
甲仓存粮54吨，乙仓存粮70吨，若从乙仓运出多少吨放入甲仓，则甲仓的存粮是乙仓的3倍．
<gadget id="calculator">70 + 54</gadget>
<output>124</output>

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

<gadget id="calculator">124 / 4</gadget>
<output>31</output>

<gadget id="calculator">70 - 31</gadget>
<output>39</output>

<result>39</result>