A pile of stones weighs 78 tons, and 3 trucks transport them twice. How many tons can the truck carry?
一堆石子有78吨，3辆卡车运了2次，卡车的载重量是多少吨？
<gadget id="calculator">78 / 3 / 2</gadget>
<output>13</output>

<result>13</result>