The floor of the basketball court is 25 meters long and 12 meters wide. If a wooden floor with a length of 3 decimeters and a width of 2 decimeters is used to lay the ground, how many such wooden floors are needed?
篮球场的地面长25米，宽12米，若用长是3分米宽是2分米的木地板铺地面，需要这样的木地板多少块？
<gadget id="calculator">25 * 12</gadget>
<output>300</output>

<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)</gadget>
<output>3/50 = around 0.06</output>

<gadget id="calculator">300 / (3/50)</gadget>
<output>5_000</output>

<result>5_000</result>