A pile of 60 tons of coal, (2/5) of this pile of coal is used for the first time, and the rest (1/6) is used for the second time, how many tons of coal are shared between the two times?
一堆煤60吨，第一次用去这堆煤的(2/5)，第二次用去余下的(1/6)，两次共用去多少吨煤？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">60 * (2/5)</gadget>
<output>24</output>

<gadget id="calculator">60 - 24</gadget>
<output>36</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">36 * (1/6)</gadget>
<output>6</output>

<gadget id="calculator">24 + 6</gadget>
<output>30</output>

<result>30</result>