A rectangular room with a length of 8 meters and a width of 6 meters, how many floor tiles with a side length of 0.2 decimeters are needed.
一个长8米，宽6米的长方形房间，用边长为0.2分米地砖铺要多少块．
<gadget id="calculator">0.2 / 10</gadget>
<output>0.02</output>

<gadget id="calculator">0.02 * 0.02</gadget>
<output>0.0004</output>

<gadget id="calculator">6 / 0.0004</gadget>
<output>15_000</output>

<gadget id="calculator">8 * 15_000</gadget>
<output>120_000</output>

<result>120_000</result>