12.5% of a number is 3.5 less than (1/5) of 57.5. Find the number.
一个数的12.5%比57.5的(1/5)少3.5，求这个数是多少．
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">57.5 * (1/5)</gadget>
<output>11.5</output>

<gadget id="calculator">11.5 - 3.5</gadget>
<output>8</output>

<gadget id="calculator">12.5 / 100</gadget>
<output>0.125</output>

<gadget id="calculator">8 / 0.125</gadget>
<output>64</output>

<result>64</result>