If a classroom is paved with square bricks with an area of 16 square decimeters, 275 bricks are needed. If square bricks with an area of 25 square decimeters are used to pave the floor, how many square bricks are needed? (Solve the problem with the proportional relationship equation)
一间教室，用面积是16平方分米的方砖铺地，需要275块，如果用面积25平方分米的方砖铺地，需要方砖多少块？(用比例关系式列方程解决问题)
<gadget id="calculator">16 * 275</gadget>
<output>4_400</output>

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

<result>176</result>