A U disk with a capacity of 128MB, the used space accounts for (7/25), how many MB is the available space?
一个容量是128MB的U盘，已用空间占(7/25)，可用空间是多少MB？
<gadget id="calculator">7 / 25</gadget>
<output>7/25 = around 0.28</output>

<gadget id="calculator">1 - (7/25)</gadget>
<output>18/25 = around 0.72</output>

<gadget id="calculator">128 * (18/25)</gadget>
<output>2_304/25 = around 92.16</output>

<result>2_304/25 = around 92.16</result>