The distance from Xiao Ming’s home to the shopping mall is 2800 meters. He ran at a speed of 120 m/min for 5 minutes and then walked at a speed of 60 m/min for 16 minutes. How many meters must he walk to reach the shopping mall?
小明家到商场的距离是2800米，他以120米/分的速度跑了5分钟，又以60米/分的速度走了16分钟，还要走多少米才能到商场？
<gadget id="calculator">120 * 5</gadget>
<output>600</output>

<gadget id="calculator">60 * 16</gadget>
<output>960</output>

<gadget id="calculator">2_800 - 600 - 960</gadget>
<output>1_240</output>

<result>1_240</result>