To lay floor tiles for a room, use 80 square tiles with a side length of 6 decimeters, just to cover it completely. If you use square tiles with a side length of 8 decimeters, how many pieces are needed?
给一个房间铺地砖，用边长6分米的方瓷砖80块，正好铺满，如果改用边长是8分米的方砖，需要多少块？
<gadget id="calculator">6 * 6 * 80</gadget>
<output>2_880</output>

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

<gadget id="calculator">2_880 / 64</gadget>
<output>45</output>

<result>45</result>