How many times is the sum of 8 20s equal to 20?
8个20的和与20的多少倍相等．
<gadget id="calculator">8 / 20</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">20 * (2/5)</gadget>
<output>8</output>

<result>8</result>