If you use square bricks with a side length of 6 decimeters to pave the floor of Xiao Zhang’s house, it will cost 400 pieces. Now you use square bricks with a side length of 8 decimeters, how many pieces of this kind of square bricks are needed at least?
小张家铺地面，如果用边长6分米的方砖来铺，要400块，现用边长8分米的方砖来铺，至少需要这种方砖多少块？
<gadget id="calculator">6 * 6 * 400</gadget>
<output>14_400</output>

<gadget id="calculator">8 * 8</gadget>
<output>64</output>

<gadget id="calculator">14_400 / 64</gadget>
<output>225</output>

<result>225</result>