Xiaoxue's rectangular dining room is 4.8 meters long and 3 meters wide, and the floor is paved with square bricks with a side length of 6 decimeters. How many bricks are needed at least?
小雪家的长方形餐厅，长是4.8米，宽是3米，用边长6分米的方砖铺地，至少需要多少块？
<gadget id="calculator">6 * 6</gadget>
<output>36</output>

<gadget id="calculator">100 / 36</gadget>
<output>25/9 = around 2.777778</output>

<gadget id="calculator">4.8 * 3 * (25/9)</gadget>
<output>40</output>

<result>40</result>