A conference room is 8m long and 6.5m wide, and the conference room is paved with square tiles with a side length of 0.5m. How many tiles should be used?
一间会议室长8m，宽6.5m，用边长0.5m的正方形瓷砖给这会议室铺上地面，大约要用瓷砖多少块？
<gadget id="calculator">8 * 6.5</gadget>
<output>52</output>

<gadget id="calculator">0.5 * 0.5</gadget>
<output>0.25</output>

<gadget id="calculator">52 / 0.25</gadget>
<output>208</output>

<result>208</result>