40% of a number is (1/6), what is the reciprocal of (12/25).
一个数的40%是(1/6)，这个数是(12/25)的倒数的多少．
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(1/6) / (2/5)</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">12 / 25</gadget>
<output>12/25 = around 0.48</output>

<gadget id="calculator">1 / (12/25)</gadget>
<output>25/12 = around 2.083333</output>

<gadget id="calculator">(5/12) / (25/12)</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>