In order to beautify the environment, Ren'ai Primary School uses colored cement bricks to pave the road, and square bricks with a side length of 2 decimeters cost 3,600 yuan. How many bricks would it cost to use square bricks with a side length of 3 decimeters?
仁爱小学为了美化环境，用彩色水泥砖铺路面，用边长2分米的方砖铺路，要3600块，若改用边长3分米的方砖铺需要多少块？
<gadget id="calculator">2 * 2 * 3_600</gadget>
<output>14_400</output>

<gadget id="calculator">3 * 3</gadget>
<output>9</output>

<gadget id="calculator">14_400 / 9</gadget>
<output>1_600</output>

<result>1_600</result>