The greatest common factor of two numbers is 4, the least common multiple is 252, and one of them is 28, what is the other number?
两个数的最大公因数是4，最小公倍数是252，其中一个数是28，则另一个数是多少？
<gadget id="calculator">252 / 28</gadget>
<output>9</output>

<gadget id="calculator">4 * 9</gadget>
<output>36</output>

<result>36</result>