Suppose A and B are both integers and satisfy ((A)/5)+((B)/9)=(23/45), then A+B=how many.
设A和B都是整数，并且满足((A)/5)+((B)/9)=(23/45)，那么A+B=多少．
<gadget id="calculator">2 + 1</gadget>
<output>3</output>

<result>3</result>