conference room with an area of 16 square decimeters needs 350 square floor tiles. If you use square floor tiles with a side length of 5 decimeters instead, how many pieces are needed?
一间会议室的面积为16平方分米的正方形地砖铺设，需要350块．如果改用边长5分米的正方形地砖铺设，需要多少块？
<gadget id="calculator">350 * 16</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>