(6/7) of a number is 24, what is its (3/4).
一个数的(6/7)是24，它的(3/4)是多少．
<gadget id="calculator">6 / 7</gadget>
<output>6/7 = around 0.857143</output>

<gadget id="calculator">24 / (6/7)</gadget>
<output>28</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">28 * (3/4)</gadget>
<output>21</output>

<result>21</result>