A rectangular floor is 12 meters long and 5 meters wide, and is paved with square floor tiles with a side length of 2 decimeters. How many floor tiles are needed?
一块长方形的地面长12米，宽5米，用边长为2分米的正方形地砖进行铺设，需要多少块地砖？
<gadget id="calculator">12 * 10</gadget>
<output>120</output>

<gadget id="calculator">5 * 10</gadget>
<output>50</output>

<gadget id="calculator">2 * 2</gadget>
<output>4</output>

<gadget id="calculator">50 / 4</gadget>
<output>25/2 = around 12.5</output>

<gadget id="calculator">120 * (25/2)</gadget>
<output>1_500</output>

<result>1_500</result>