The school wants to lay floor tiles for a classroom. If you use rectangular floor tiles with a length of 3 decimeters and a width of 2 decimeters, and 800 tiles are exactly covered, how many square meters is the area of this classroom?
学校要给一间教室铺地砖，如果用长3分米，宽2分米的长方形地砖，800块正好铺满，这间教室的面积是多少平方米？
<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">2 / 10</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">(3/10) * (1/5) * 800</gadget>
<output>48</output>

<result>48</result>