A and B are two of the first 100 natural numbers, what is the largest quotient of (A+B)/(AB).
A、B是前100个自然数中的两个，(A+B)/(A-B)的商最大是多少．
<gadget id="calculator">99 + 98</gadget>
<output>197</output>

<gadget id="calculator">99 - 98</gadget>
<output>1</output>

<gadget id="calculator">197 / 1</gadget>
<output>197</output>

<result>197</result>