Xiao Ming runs along the sidewalk next to the railway at a speed of 2 meters per second. A train with a length of 188 meters comes behind him. The train travels 18 meters per second. How many seconds does it take for the train to catch up with Xiao Ming and completely surpass him?
小明以每秒2米的速度沿铁路旁的人行道跑步，身后开来一列长188米的火车，火车每秒行18米，问火车追上小明到完全超过小明共用了多少秒？
<gadget id="calculator">18 - 2</gadget>
<output>16</output>

<gadget id="calculator">188 / 16</gadget>
<output>47/4 = around 11.75</output>

<result>47/4 = around 11.75</result>