The living room of Li Hong’s house is 6 meters long and 4 meters wide. It needs to be paved with square bricks with a side length of 2 decimeters. How many such floor tiles are needed?
李红家的客厅长6米，宽4米，要用边长2分米的方砖来铺，需要多少块这样的地砖？
<gadget id="calculator">2 / 100</gadget>
<output>1/50 = around 0.02</output>

<gadget id="calculator">2 * (1/50)</gadget>
<output>1/25 = around 0.04</output>

<gadget id="calculator">4 / (1/25)</gadget>
<output>100</output>

<gadget id="calculator">6 * 100</gadget>
<output>600</output>

<result>600</result>