Tom has 4 bedrooms in his house.  They measure 20 by 12 feet each.  The living room is 5 times bigger than one bedroom.  The rest of the house is 1000 square feet.  What is the total area, in square feet, of the house?
The bedrooms are each 20*12=
<gadget id="calculator">20*12</gadget>
<output>240</output>
240 square feet.
So in total the bedrooms are 240*4=
<gadget id="calculator">240*4</gadget>
<output>960</output>
960 square feet.
The living room is 240*5=
<gadget id="calculator">240*5</gadget>
<output>1_200</output>
1200 square feet.
So in total the house is 1200+1000+960=
<gadget id="calculator">1200+1000+960</gadget>
<output>3_160</output>
3160 square feet.

<result>3_160</result>