There are two numbers A and B. They are neither multiples nor co-prime. The least common multiple of the two numbers is 294. If the number A is 49, what is the number B?
有甲、乙两数，它们既不是倍数关系，又不是互质数，两数的最小公倍数是294，如果甲数为49，那么乙数为多少．
<gadget id="calculator">2 * 3 * 7</gadget>
<output>42</output>

<result>42</result>