The least common multiple of two numbers is 180, and the greatest common divisor is 30. It is known that one of the numbers is 90, and what is the other number.
两个数的最小公倍数是180，最大公约数是30，已知其中一个数是90，另一个数是多少．
<gadget id="calculator">2 * 2 * 3 * 5</gadget>
<output>60</output>

<result>60</result>