17/2+83/2=how much.
17/2+83/2=多少．
<gadget id="calculator">17 / 2</gadget>
<output>17/2 = around 8.5</output>

<gadget id="calculator">83 / 2</gadget>
<output>83/2 = around 41.5</output>

<gadget id="calculator">(17/2) + (83/2)</gadget>
<output>50</output>

<result>50</result>