It is necessary to paint a hall with a length of 25 meters, a width of 10 meters and a height of 3.5 meters, with a total area of doors and windows of 25 square meters. If the paint and labor costs per square meter are 12 yuan, how much is the total cost to paint the hall?
要粉刷一个长25米，宽10米，高3.5米的大厅，门窗面积共25平方米．如果每平方米的涂料费和人工费是12元，那么要粉刷这个大厅共需要多少元钱？
<gadget id="calculator">25 * 10</gadget>
<output>250</output>

<gadget id="calculator">25 * 3.5 * 2</gadget>
<output>175</output>

<gadget id="calculator">10 * 3.5 * 2</gadget>
<output>70</output>

<gadget id="calculator">70 - 25</gadget>
<output>45</output>

<gadget id="calculator">250 + 175 + 45</gadget>
<output>470</output>

<gadget id="calculator">470 * 12</gadget>
<output>5_640</output>

<result>5_640</result>