There are 400 tons in one pile, 260 tons have been transported away, and the remaining 4 times have been transported, how many tons are transported on average each time?
一堆有400吨，已经运走了260吨，剩下的4次运完，平均每次运多少吨？
<gadget id="calculator">400 - 260</gadget>
<output>140</output>

<gadget id="calculator">140 / 4</gadget>
<output>35</output>

<result>35</result>