Paint the surface of a tool box with a length of 50 cm, a width of 40 cm, and a height of 35 cm. What is the area to be painted?
将一个长50cm、宽40cm、高35cm的工具箱表面涂上油漆，需要涂漆的面积是多少？
<gadget id="calculator">50 * 40</gadget>
<output>2_000</output>

<gadget id="calculator">50 * 35</gadget>
<output>1_750</output>

<gadget id="calculator">40 * 35</gadget>
<output>1_400</output>

<gadget id="calculator">2_000 + 1_750 + 1_400</gadget>
<output>5_150</output>

<gadget id="calculator">5_150 * 2</gadget>
<output>10_300</output>

<result>10_300</result>