The greatest common factor of two numbers is 10, and the least common multiple is 140. It is known that one of the numbers is 70, so what is the other number?
两个数的最大公因数是10，最小公倍数是140，已知其中一个数是70，那么另一个数是多少？
<gadget id="calculator">140 / 70</gadget>
<output>2</output>

<gadget id="calculator">10 * 2</gadget>
<output>20</output>

<result>20</result>