A house is paved with square bricks with a side length of 5 decimeters, and it costs 240 pieces. If the floor is paved with square bricks with a side length of 16 decimeters, how many pieces are needed? (Solve with ratio)
一间房屋用边长5分米的方砖铺地，要240块，如果改用每块是16平方分米的方砖来铺，需要多少块？(用比例解)
<gadget id="calculator">5 * 5 * 240</gadget>
<output>6_000</output>

<gadget id="calculator">6_000 / 16</gadget>
<output>375</output>

<result>375</result>