The school needs to paint the classroom. It is known that the length of the classroom is 10 meters, the width is 8 meters, the height is 3 meters, and the area of the doors and windows is 14.5 square meters. If it costs 4 yuan for paint per square meter, how much will it cost to paint this classroom?
学校要粉刷教室，已知教室的长是10米，宽是8米，高是3米，门窗的面积是14.5平方米．如果每平方米需要花4元涂料费，粉刷这个教室需要花费多少元？
<gadget id="calculator">10 * 8</gadget>
<output>80</output>

<gadget id="calculator">10 * 3 * 2</gadget>
<output>60</output>

<gadget id="calculator">8 * 3 * 2</gadget>
<output>48</output>

<gadget id="calculator">48 - 14.5</gadget>
<output>33.5</output>

<gadget id="calculator">80 + 60 + 33.5</gadget>
<output>173.5</output>

<gadget id="calculator">173.5 * 4</gadget>
<output>694</output>

<result>694</result>