Xiaoming’s house needs floor tiles to decorate the house. If square bricks with an area of 4 square decimeters are used to pave the ground, 720 pieces are needed. Now, how many square bricks with a side length of 6 decimeters are needed to pave the floor?
小明家装修房子需要铺地砖，如果用面积4平方分米的方砖铺地面需要720块，现在改用边长为6分米的方砖铺地面需要多少块？
<gadget id="calculator">720 * 4</gadget>
<output>2_880</output>

<gadget id="calculator">6 * 6</gadget>
<output>36</output>

<gadget id="calculator">2_880 / 36</gadget>
<output>80</output>

<result>80</result>