In a modern gymnasium, 20 wooden floors with a length of 30 meters, a width of 3.5 meters, and a thickness of 0.3 meters are laid. What is the area of the gymnasium?
一个现代化的体育馆里，铺设了20块长30米、宽3.5米、厚0.3米的木质地板，这个体育馆占地面积是多少．
<gadget id="calculator">30 * 3.5 * 20</gadget>
<output>2_100</output>

<result>2_100</result>