The heating company has a pile of 60 tons of coal, and the remaining (2/3) is used. How many tons of this pile of coal are left?
热力公司有一堆煤是60吨，用去的是剩下的(2/3)．这堆煤还剩多少吨？
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">1 + (2/3)</gadget>
<output>5/3 = around 1.666667</output>

<gadget id="calculator">60 / (5/3)</gadget>
<output>36</output>

<result>36</result>