The area of a cement table is 1.92 square meters, and it is veneered with square bricks with a side length of 4 decimeters. How many pieces of such square bricks should be bought at least?
一张水泥桌子的面积是1.92平方米，用边长4分米的方砖贴面，至少要买这样的方砖多少块？
<gadget id="calculator">4 / 10</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(2/5) * (2/5)</gadget>
<output>4/25 = around 0.16</output>

<gadget id="calculator">1.92 / (4/25)</gadget>
<output>12</output>

<result>12</result>