Xiao Ming completed the math homework in 10 minutes (1/4), how many minutes did he need to finish the math homework?
小明10分钟就完成数学作业的(1/4)，他做完数学作业一共需要多少分钟？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/4) / 10</gadget>
<output>1/40 = around 0.025</output>

<gadget id="calculator">1 / (1/40)</gadget>
<output>40</output>

<result>40</result>