Lee had $10 and his friend had $8. They went to a restaurant where they ordered chicken wings for $6 and a chicken salad for $4. They also got 2 sodas for $1.00 each. The tax came to $3. How much change should they have received in total?
Lee and his friend had a total of $10 + $8 = $
<gadget id="calculator">10+8</gadget>
<output>18</output>
18.
The cost of the food was $6 + $4 + $1 + $1 = $
<gadget id="calculator">6+4+1+1</gadget>
<output>12</output>
12.
The total cost, including tax was $12 + $3 = $
<gadget id="calculator">12+3</gadget>
<output>15</output>
15.
They should have received $18 - $15 = $
<gadget id="calculator">18-15</gadget>
<output>3</output>
3 in total.

<result>3</result>