A cuboid classroom is 9 meters long, 8 meters wide, and 4 meters high. There are two doors in the classroom. The door is 1 meter wide and 2 meters high. Now it is necessary to paint all the walls below 1 meter high. The painted part What is the area of ?
一间长方体教室长9米，宽8米，高4米，教室装有两扇门，门宽1米，高2米，现在要给1米高以下的四壁都涂上油漆，涂油漆部分的面积是多少？
<gadget id="calculator">9 * 1</gadget>
<output>9</output>

<gadget id="calculator">8 * 1</gadget>
<output>8</output>

<gadget id="calculator">9 + 8</gadget>
<output>17</output>

<gadget id="calculator">17 * 2</gadget>
<output>34</output>

<gadget id="calculator">1 + 1</gadget>
<output>2</output>

<gadget id="calculator">2 * 1</gadget>
<output>2</output>

<gadget id="calculator">34 - 2</gadget>
<output>32</output>

<result>32</result>