The park needs to build a wall with a length of 15 meters, a thickness of 4 cm, and a height of 3 meters. If 525 bricks are used per cubic meter, how many bricks will be used for this wall?
公园要修一道长15米，厚4厘米，高3米的围墙，如果每立方米用砖525块，这道围墙要用砖多少块？
<gadget id="calculator">4 / 100</gadget>
<output>1/25 = around 0.04</output>

<gadget id="calculator">15 * (1/25) * 3 * 525</gadget>
<output>945</output>

<result>945</result>