How much is 49 (2/7) equivalent to 20
49的(2/7)相当于20的多少
<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>

<gadget id="calculator">(2/7) / 20</gadget>
<output>1/70 = around 0.014286</output>

<gadget id="calculator">49 * (1/70)</gadget>
<output>7/10 = around 0.7</output>

<result>7/10 = around 0.7</result>