(1/8) of a number is equivalent to 25% of 40, what is this number?
一个数的(1/8)相当于40的25%，这个数是多少．
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

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

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">10 / (1/8)</gadget>
<output>80</output>

<result>80</result>