A rectangular wall needs to be repainted. Its length is 10 meters and its width is 8 meters. If the paint is 2 yuan per square meter, how much will it cost to paint the wall?
一面长方形的墙壁需要重新粉刷，它的长是10米、宽是8米，如果按每平方米涂料2元钱，粉刷完这面墙壁要付多少钱？
<gadget id="calculator">10 * 8 * 2</gadget>
<output>160</output>

<result>160</result>