A and B are both natural numbers, A>B, A+B=64, (1/(A))+(1/(B))=(1/12). Then AB=how much.
A、B都是自然数，A＞B，A+B=64，(1/(A))+(1/(B))=(1/12)．则A-B=多少．
<gadget id="calculator">48 - 16</gadget>
<output>32</output>

<result>32</result>