James buys a weight vest for $250.  He then buys 200 pounds of weight plates for $1.2 per pound.  A 200-pound weight vest would cost $700 but there is a $100 discount.  How much does he save with his vest?
The weight plates cost 200*1.2=$
<gadget id="calculator">200*1.2</gadget>
<output>240</output>
240.
So his vest cost 250+240=$
<gadget id="calculator">250+240</gadget>
<output>490</output>
490.
He could get the other vest for 700-100=$
<gadget id="calculator">700-100</gadget>
<output>600</output>
600.
So he saved 600-490=$
<gadget id="calculator">600-490</gadget>
<output>110</output>
110.

<result>110</result>