Build a pile of bricks at the corner of the wall to grow into a cuboid of 38 pieces with a width of 7 pieces and a height of 10 pieces. The two sides are close to the wall, and then the surface of the bricks is painted with lime water. How many bricks are there that have not been painted with lime water? ．
将一堆砖在墙角处垒成长为38块，宽为7块，高为10块的长方体，两边靠墙，然后将砖的表面刷上石灰水，没有被刷上石灰水的砖共有多少块．
<gadget id="calculator">38 * 7 * 10</gadget>
<output>2_660</output>

<gadget id="calculator">38 * 7</gadget>
<output>266</output>

<gadget id="calculator">38 * 10</gadget>
<output>380</output>

<gadget id="calculator">10 * 7</gadget>
<output>70</output>

<gadget id="calculator">70 - 38 - 10 - 7</gadget>
<output>15</output>

<gadget id="calculator">266 + 380 + 15 + 1</gadget>
<output>662</output>

<gadget id="calculator">2_660 - 662</gadget>
<output>1_998</output>

<result>1_998</result>