(3/4) of a number is 18, what is (1/8) of this number.
一个数的(3/4)是18，这个数的(1/8)是多少．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">18 / (3/4)</gadget>
<output>24</output>

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

<gadget id="calculator">24 * (1/8)</gadget>
<output>3</output>

<result>3</result>