45% of a number is 30, what is (1/8) of this number.
一个数的45%是30，这个数的(1/8)是多少．
<gadget id="calculator">45 / 100</gadget>
<output>9/20 = around 0.45</output>

<gadget id="calculator">30 / (9/20)</gadget>
<output>200/3 = around 66.666667</output>

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

<gadget id="calculator">(200/3) * (1/8)</gadget>
<output>25/3 = around 8.333333</output>

<result>25/3 = around 8.333333</result>