If a classroom is paved with square bricks with a side length of 4 decimeters, 275 bricks are needed. If square bricks with a side length of 5 decimeters are used to pave the floor, how many square bricks are needed? (Solve with ratio)
一间教室，用边长是4分米的方砖铺地，需要275块，如果用边长是5分米的方砖铺地，需要方砖多少块？(用比例解)
<gadget id="calculator">4 * 4 * 275</gadget>
<output>4_400</output>

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

<gadget id="calculator">4_400 / 25</gadget>
<output>176</output>

<result>176</result>