A piece of cloth is 60 meters long, and it takes (7/10) meters of cloth to make one piece of clothing. Now 40 pieces of this kind of clothing have been made, how many meters of cloth are left?
一匹布长60米，做一件衣服用布(7/10)米，现在已经做了这样的衣服40件，还剩布多少米？
<gadget id="calculator">7 / 10</gadget>
<output>7/10 = around 0.7</output>

<gadget id="calculator">(7/10) * 40</gadget>
<output>28</output>

<gadget id="calculator">60 - 28</gadget>
<output>32</output>

<result>32</result>