John's car needs a new engine.  The labor costs $75 an hour for 16 hours.  The part itself cost $1200.  How much did the repairs cost in total?
The labor cost 16*$75=$
<gadget id="calculator">16*75</gadget>
<output>1_200</output>
1200.
So the total cost was $1200+$1200=$
<gadget id="calculator">1200+1200</gadget>
<output>2_400</output>
2400.

<result>2_400</result>