A steel bar is (5/8) meters long, (2/7) meters are used for the first time, and (1/4) of the full length is left after some of the second use, how many meters are left?
一根钢条长(5/8)米，第一次用去(2/7)米，第二次用去一些后还剩全长的(1/4)，还剩多少米？
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(5/8) * (1/4)</gadget>
<output>5/32 = around 0.15625</output>

<result>5/32 = around 0.15625</result>