There is a playground, 60 meters long and 30 meters wide. If square bricks with a side length of 6 decimeters are used to pave the ground, how many such bricks are needed in total?
有一块操场，长60米，宽30米．如果用边长为6分米的正方形砖铺地面，一共要多少这样的砖？
<gadget id="calculator">60 * 30</gadget>
<output>1_800</output>

<gadget id="calculator">0.6 * 0.6</gadget>
<output>0.36</output>

<gadget id="calculator">1_800 / 0.36</gadget>
<output>5_000</output>

<result>5_000</result>