(1/5) of a number is 32, what is its (2/7).
一个数的(1/5)是32，它的(2/7)是多少．
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">32 / (1/5)</gadget>
<output>160</output>

<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>

<gadget id="calculator">160 * (2/7)</gadget>
<output>320/7 = around 45.714286</output>

<result>320/7 = around 45.714286</result>