A sidewalk is 120m long and 4m wide. Now this sidewalk is paved with floor tiles, and 8 tiles can cover 1m**2. How many floor tiles are needed to cover this sidewalk?
一条人行道长120m，宽4m，现在这条人行道上铺地砖，8块地砖可铺1m**2．铺满这条人行道，共需地砖多少块？
<gadget id="calculator">120 * 4 * 8</gadget>
<output>3_840</output>

<result>3_840</result>