The number of A is 100 more than the number of B, and the number of A is given to B, and the two numbers of A and B are equal.
甲数比乙数多100，甲数给乙数多少，甲乙两数就相等了．
<gadget id="calculator">100 / 2</gadget>
<output>50</output>

<result>50</result>