Suppose A and B are natural numbers, and satisfy ((A)/11)+((B)/3)=(17/33), A+B=how much.
设A、B为自然数，并且满足((A)/11)+((B)/3)=(17/33)，A+B=多少．
<gadget id="calculator">2 + 1</gadget>
<output>3</output>

<result>3</result>