(3/5) of a number is (7/8) of 30, what is this number?
一个数的(3/5)是30的(7/8)，这个数是多少？
<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">(7/8) / (3/5)</gadget>
<output>35/24 = around 1.458333</output>

<gadget id="calculator">30 * (35/24)</gadget>
<output>175/4 = around 43.75</output>

<result>175/4 = around 43.75</result>