It takes 1,600 pieces to lay the floor of a conference hall with square bricks with an area of 36 decimeters. How many pieces are needed if the floor is replaced with square bricks with a side length of 8 decimeters? (Answer with proportional knowledge)
用面积36平方分米的方砖给一个会议厅铺地板，需要1600块，如果改用边长8分米的方砖铺地板，需要多少块？(用比例知识解答)
<gadget id="calculator">36 * 1_600</gadget>
<output>57_600</output>

<gadget id="calculator">8 * 8</gadget>
<output>64</output>

<gadget id="calculator">57_600 / 64</gadget>
<output>900</output>

<result>900</result>