The computer hard disk has used space (3/8), and the available space is 25G. Find the hard disk capacity.
电脑硬盘已用空间(3/8)，可用空间25G，求硬盘容量．
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">1 - (3/8)</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">25 / (5/8)</gadget>
<output>40</output>

<result>40</result>