If a☆b═((a+1)/(b)), then 2☆(3☆4)=how much.
规定a☆b═((a+1)/(b))，则2☆(3☆4)=多少．
<gadget id="calculator">3 + 1</gadget>
<output>4</output>

<gadget id="calculator">4 / 4</gadget>
<output>1</output>

<gadget id="calculator">2 + 1</gadget>
<output>3</output>

<gadget id="calculator">3 / 1</gadget>
<output>3</output>

<result>3</result>