Wilson goes to a fast-food restaurant. He buys 2 hamburgers for $5 each and 3 bottles of cola for $2 each. Wilson uses his $4 discount coupon. How much money does he pay in total?
2 hamburgers cost 2*5=$
<gadget id="calculator">2*5</gadget>
<output>10</output>
10
3 bottles of cola cost 3*2=$
<gadget id="calculator">3*2</gadget>
<output>6</output>
6.
The total price without discount is 10+6=$
<gadget id="calculator">10+6</gadget>
<output>16</output>
16.
With the discount coupon, it's 16-4=$
<gadget id="calculator">16-4</gadget>
<output>12</output>
12.

<result>12</result>