Luke is buying fabric for new curtains. There are five windows. Each window is 35 inches wide and Luke needs to buy fabric equal to 2 times the total width of the windows. How much fabric should he buy?
The total width of the five windows is 35 x 5 = 
<gadget id="calculator">35*5</gadget>
<output>175</output>
175 inches.
Luke needs to buy 175 x 2 = 
<gadget id="calculator">175*2</gadget>
<output>350</output>
350 inches of fabric.

<result>350</result>