A transport team goes to transport coal, transports all (1/4) for the first time, transports all (3/8) for the second time, transports all the rest for the third time, and transports all the coal for the third time What fraction of?
一个运输队去运煤，第一次运走全部的(1/4)，第二次运走全部的(3/8)，第三次把剩下的全部运走，第三次运去全部的几分之几？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">1 - (1/4) - (3/8)</gadget>
<output>3/8 = around 0.375</output>

<result>3/8 = around 0.375</result>