A train is 152 meters long and its speed is 63.36 kilometers per hour. A person is walking towards the train, and it takes 8 seconds for the whole train to pass by him. What is the person's walking speed in meters per second?
一列火车长152米，它的速度是每小时63.36公里．一个人与火车相向而行，全列火车从他身边开过用8秒钟．这个人的步行速度是每秒多少米．
<gadget id="calculator">152 / 8</gadget>
<output>19</output>

<gadget id="calculator">63_360 / 3_600</gadget>
<output>88/5 = around 17.6</output>

<gadget id="calculator">19 - (88/5)</gadget>
<output>7/5 = around 1.4</output>

<result>7/5 = around 1.4</result>