The school needs to build a brick wall with a length of 20 meters, a width of 48 centimeters and a height of 1.5 meters. 540 bricks are needed per cubic meter. How many bricks are used for this wall?
学校要砌一面砖墙，长20米，宽48厘米，高1.5米．每立方米需要用砖540块，这面墙大约用砖多少块？
<gadget id="calculator">48 / 100</gadget>
<output>12/25 = around 0.48</output>

<gadget id="calculator">20 * (12/25) * 1.5</gadget>
<output>14.4</output>

<gadget id="calculator">540 * 14.4</gadget>
<output>7_776</output>

<result>7_776</result>