If A and B are natural numbers, what is the maximum value of BA among all A and B that satisfy the condition (1/12)=(1/(A))-(1/(B)).
若A、B是自然数，则符合条件(1/12)=(1/(A))-(1/(B))的所有A、B中，B-A的最大值为多少．
<gadget id="calculator">132 - 11</gadget>
<output>121</output>

<result>121</result>