How much is 80 (1/4) equal to 50
80的(1/4)相当于50的多少
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/4) / 50</gadget>
<output>1/200 = around 0.005</output>

<gadget id="calculator">80 * (1/200)</gadget>
<output>2/5 = around 0.4</output>

<result>2/5 = around 0.4</result>