Only the formulas are not counted: There is a classroom with a length of 8 meters and a width of 4.8 meters. How many square bricks with a side length of 0.8 meters are needed to pave the floor?
只列式不计算：有一个教室，长8米，宽4.8米．用边长是0.8米的方砖铺地，至少需要多少块？
<gadget id="calculator">0.8 * 0.8</gadget>
<output>0.64</output>

<gadget id="calculator">4.8 / 0.64</gadget>
<output>7.5</output>

<gadget id="calculator">8 * 7.5</gadget>
<output>60</output>

<result>60</result>