The product of two factors is 20.52, one of which is 5.4, and what is the other.
两个因数的积是20.52，其中一个因数是5.4，另一个因数是多少．
<gadget id="calculator">20.52 / 5.4</gadget>
<output>3.8</output>

<result>3.8</result>