Uncle Wang’s house is decorated with square bricks with a side length of 4 decimeters, which will cost exactly 250 yuan. Please do the math. If you use square bricks with a side length of 5 decimeters, how many pieces will you need?
王叔叔家装修新房，如果用边长4分米的方砖铺地，正好需要250块，请你帮忙算一算，如果改用边长是5分米的方砖铺，需要多少块？
<gadget id="calculator">4 * 4 * 250</gadget>
<output>4_000</output>

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

<gadget id="calculator">4_000 / 25</gadget>
<output>160</output>

<result>160</result>