Xiaoxiao’s living room is a rectangle with a length of 6 meters and a width of 4 meters. Her father plans to use square bricks with an area of 4 decimeters**2 to cover the ground. How many square bricks do you need to buy?
笑笑家的客厅是长6米，宽4米的长方形．她爸爸准备用面积是4分米**2的方砖铺满地面，需要购买这样的方砖多少块？
<gadget id="calculator">6 * 10</gadget>
<output>60</output>

<gadget id="calculator">4 * 10</gadget>
<output>40</output>

<gadget id="calculator">40 / 4</gadget>
<output>10</output>

<gadget id="calculator">60 * 10</gadget>
<output>600</output>

<result>600</result>