There are 270 tons of grain stored in warehouses A and B. If 25% of the grain is shipped from warehouse A to warehouse B, the grain stored in the two warehouses is just equal. How many tons of grain is stored in warehouse A? (Solution of column equation)
甲、乙两仓共存粮270吨，如果从甲仓运出25%入乙仓，这时两仓存粮正好相等，原来甲仓存粮多少吨？(列方程解)
<gadget id="calculator">0.75 + 0.75</gadget>
<output>1.5</output>

<gadget id="calculator">270 / 1.5</gadget>
<output>180</output>

<result>180</result>