Uncle Li’s living room needs 300 yuan if you use square bricks with a side length of 4 decimeters to pave the floor; if you use square bricks with a side length of 5 decimeters, how many pieces do you need? (Solve with ratio)
李叔叔家装修客厅，如果用边长4分米的方砖铺地，需要300块；如果改用边长是5分米的方砖，那需要多少块？(用比例解)
<gadget id="calculator">4 * 4 * 300</gadget>
<output>4_800</output>

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

<gadget id="calculator">4_800 / 25</gadget>
<output>192</output>

<result>192</result>