There are two numbers, their greatest common factor is 15, their least common multiple is 225, one of them is 45, what is the other number?
有两个数，它们的最大公因数是15，最小公倍数是225，其中一个数是45，另一个数是多少？
<gadget id="calculator">225 / 45</gadget>
<output>5</output>

<gadget id="calculator">15 * 5</gadget>
<output>75</output>

<result>75</result>