Hope Primary School has a classroom with a length of 10 meters, a width of 6 meters, and a height of 3.5 meters. Two people, Wang and Xiu, want to paste tiles on the four walls of the classroom. After deducting the area of doors, windows and blackboards of 20 square meters, what is the area to be tiled? rice?
希望小学有一间长10米，宽6米，高3.5米的教室，王和秀等两个人要在教室的四面墙壁贴磁砖，扣除门窗﹑黑板面积20平方米，要贴磁砖的面积是多少平方米？
<gadget id="calculator">10 * 3.5 * 2</gadget>
<output>70</output>

<gadget id="calculator">6 * 3.5 * 2</gadget>
<output>42</output>

<gadget id="calculator">42 - 20</gadget>
<output>22</output>

<gadget id="calculator">70 + 22</gadget>
<output>92</output>

<result>92</result>