For Xiaolan's study, it takes 360 pieces to pave the floor with square bricks with a side length of 2 decimeters. If the floor is replaced with square bricks with a side length of 3 decimeters, how many pieces are needed? (Solution with proportional knowledge)
小兰的书房，用边长2分米的方砖铺地需要360块，如果改用边长3分米的方砖铺地，需要多少块？(用比例知识解)
<gadget id="calculator">2 * 2 * 360</gadget>
<output>1_440</output>

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

<gadget id="calculator">1_440 / 9</gadget>
<output>160</output>

<result>160</result>