A classroom is 10 meters long, 8 meters wide, and 4 meters high. The door and window area is 32 square meters. To paint this classroom, if the paint costs 6.5 yuan per square meter, how much will it cost?
一间教室长10米，宽8米，高4米，门窗面积是32平方米，要粉刷这间教室，如果每平方米粉刷涂料费用6.5元，一共要用多少元？
<gadget id="calculator">10 * 8</gadget>
<output>80</output>

<gadget id="calculator">10 * 4</gadget>
<output>40</output>

<gadget id="calculator">8 * 4</gadget>
<output>32</output>

<gadget id="calculator">40 + 32</gadget>
<output>72</output>

<gadget id="calculator">72 * 2</gadget>
<output>144</output>

<gadget id="calculator">144 - 32</gadget>
<output>112</output>

<gadget id="calculator">80 + 112</gadget>
<output>192</output>

<gadget id="calculator">192 * 6.5</gadget>
<output>1_248</output>

<result>1_248</result>