John commissions an artist to make him a 9 by 13 drawing.  A black and white drawing that size would cost $160.  He wants a color drawing so that is 50% more expensive.  How much did he pay?
The extra cost for coloring is 160*.5=$
<gadget id="calculator">160*.5</gadget>
<output>80</output>
80.
So the total cost was 160+80=$
<gadget id="calculator">160+80</gadget>
<output>240</output>
240.

<result>240</result>