The product of 32*21 is how many times 32.
32*21的积是32的多少倍．
<gadget id="calculator">21 / 32</gadget>
<output>21/32 = around 0.65625</output>

<gadget id="calculator">32 * (21/32)</gadget>
<output>21</output>

<result>21</result>