James gets a cable program.  The first 100 channels cost $100 and the next 100 channels cost half that much.  He splits it evenly with his roommate.  How much did he pay?
The next 100 channels cost 100/2=$
<gadget id="calculator">100/2</gadget>
<output>50</output>
50.
So the total cost is 100+50=$
<gadget id="calculator">100+50</gadget>
<output>150</output>
150.
So he pays 150/2=$
<gadget id="calculator">150/2</gadget>
<output>75</output>
75.

<result>75</result>