The right wall of a classroom is 8 meters long and 4 meters wide. There are two windows on the wall, and the area of each window is 6 square meters. If painting this wall, how many square meters will be painted?
一间教室的右面墙壁长8米，宽4米，墙上有两扇窗户，每扇窗户的面积是6平方米．如果粉刷这面墙，要粉刷的面积是多少平方米？
<gadget id="calculator">32 - 16</gadget>
<output>16</output>

<result>16</result>