Mike decides to buy a new camera.  He wants to buy a top-of-the-line camera but he decides to wait for the new model to come out.  The new model costs 30% more than the current model.  The old camera cost $4000.  He gets $200 off a $400 lens he bought.  How much did he pay for the camera and lens?
The new camera cost 4000*.3=$
<gadget id="calculator">4000*.3</gadget>
<output>1_200</output>
1200 more than the old camera.
So the camera cost 4000+1200=$
<gadget id="calculator">4000+1200</gadget>
<output>5_200</output>
5200.
The lens cost 400-200=$
<gadget id="calculator">400-200</gadget>
<output>200</output>
200.
So the total cost was 5200+200=$
<gadget id="calculator">5200+200</gadget>
<output>5_400</output>
5400.

<result>5_400</result>