The school meeting room is paved with square bricks with a side length of 4 decimeters, and 350 pieces are needed. If the square bricks with a side length of 5 decimeters are used instead, how many pieces are needed.
学校会议室用边长4分米的方砖铺地，需350块，如果改用边长5分米的方砖，需要多少块．
<gadget id="calculator">4 * 4 * 350</gadget>
<output>5_600</output>

<gadget id="calculator">5 * 5</gadget>
<output>25</output>

<gadget id="calculator">5_600 / 25</gadget>
<output>224</output>

<result>224</result>