A classroom is paved with square bricks. For example, 540 square floor tiles with a side length of 40 cm are needed. If the square floor tiles with a side length of 6 decimeters are used instead, how many such floor tiles are needed?
一间教室用方砖铺地，如用边长为40厘米的正方形地砖需540块，如改用边长为6分米的正方形地砖铺，则需要多少块这样的地砖？
<gadget id="calculator">40 * 40 * 540</gadget>
<output>864_000</output>

<gadget id="calculator">6 * 10 * 6 * 10</gadget>
<output>3_600</output>

<gadget id="calculator">864_000 / 3_600</gadget>
<output>240</output>

<result>240</result>