A rectangular tank needs to be coated with insulation. The tank has dimensions of 3 feet, 6 feet, and 2 feet. Each square foot of insulation costs $20. How much will it cost to cover the surface of the tank with insulation?	Choose the correct option.
A) $980  B) $1060  C) $1220  D) $1440  E) $1650
The total surface area is 2(2*3 + 3*6 + 2*6) = 72 square feet   The total cost is 72*$20 = $1440   The answer is $1440.72* 20= 
<gadget id="calculator">72* 20</gadget>
<output>1_440</output>
$1440   The answer is $1440.
<result>D</result>
A rectangular tank needs to be coated with insulation. The tank has dimensions of 3 feet, 6 feet, and 2 feet. Each square foot of insulation costs $20. How much will it cost to cover the surface of the tank with insulation?