If a room is paved with square bricks with a side length of 4 decimeters, 175 pieces are needed. How many square bricks with a side length of 5 decimeters are used instead?
一个房间，如果用边长为4分米的方砖铺地，需要175块．如果改用边长为5分米的方砖，需要多少块？
<gadget id="calculator">4 * 4 * 175</gadget>
<output>2_800</output>

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

<gadget id="calculator">2_800 / 25</gadget>
<output>112</output>

<result>112</result>