A classroom is 8m long, 6m wide, and 3m high. It is necessary to lay floor tiles on the floor of the classroom. It is known that the length and width of the floor tiles are both 40cm. How many floor tiles are needed in total?
一间教室长8m，宽6m，高3m，要给教室地面铺上地板砖，已知地板砖长宽均为40cm，共需要多少块地板砖？
<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(2/5) * (2/5)</gadget>
<output>4/25 = around 0.16</output>

<gadget id="calculator">6 / (4/25)</gadget>
<output>75/2 = around 37.5</output>

<gadget id="calculator">8 * (75/2)</gadget>
<output>300</output>

<result>300</result>