It is known that the product of two factors is 37.8, and one of the factors is 18, what is the other factor.
已知两个因数的积是37.8，其中一个因数是18，则另一个因数是多少．
<gadget id="calculator">37.8 / 18</gadget>
<output>2.1</output>

<result>2.1</result>