There is a batch of goods in the warehouse, and the weight ratio of the goods removed to the remaining goods is 2:7. If 64 tons are transported away, the remaining goods are only 3/5 of the original goods in the warehouse, and the original goods in the warehouse How many tons?
仓库有一批货物，运走的货物与剩下的货物的重量比为2：7，如果又运走64吨，那么剩下的货物只有仓库原有货物的(3/5)，仓库原有货物多少吨？
<gadget id="calculator">7 / 9</gadget>
<output>7/9 = around 0.777778</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">(7/9) - (3/5)</gadget>
<output>8/45 = around 0.177778</output>

<gadget id="calculator">64 / (8/45)</gadget>
<output>360</output>

<result>360</result>