It takes 525 pieces to pave the floor with square bricks with a side length of 20 cm. How many pieces are needed to pave the same floor with square bricks with a side length of 25 cm?
用边长20厘米的方砖铺地需要525块，现改用边长25厘米的方砖铺同一块地，需要多少块？
<gadget id="calculator">20 * 20 * 525</gadget>
<output>210_000</output>

<gadget id="calculator">25 * 25</gadget>
<output>625</output>

<gadget id="calculator">210_000 / 625</gadget>
<output>336</output>

<result>336</result>