It is known that the product of two factors is 9.72, one of which is 1.8, and what is the other factor.
已知两个因数的积是9.72，其中一个因数是1.8，另一个因数是多少．
<gadget id="calculator">9.72 / 1.8</gadget>
<output>5.4</output>

<result>5.4</result>