Bennett sells window screens. He sold twice as many window screens in February as he sold last month. In February, Bennett sold a fourth of what he sold in March. If Bennet sold 8800 window screens in March, how many screens did Bennett sell from January to March?
In February, Bennett sold 8800/4 = 
<gadget id="calculator">8800/4</gadget>
<output>2_200</output>
2200 window screens.
In January, Bennett sold 2200/2 = 
<gadget id="calculator">2200/2</gadget>
<output>1_100</output>
1100 window screens.
Between January and March, Bennett sold 8800+2200+1100 = 
<gadget id="calculator">8800+2200+1100</gadget>
<output>12_100</output>
12100 window screens.

<result>12_100</result>