A school sent a car to a factory at 2:00 p.m. to pick up model workers for a report, and it took 1 hour to go back and forth. The model worker was walking towards the school at exactly 1:00 pm. On the way, he encountered a car that picked him up and arrived at 2:30 pm. He asked how many times the speed of the car was the model worker's walking speed?
某校下午2点整派车去某厂接劳模作报告，往返需要1小时．该劳模在下午1点整步行向向学校走来，途中遇到接他的车，于下午2点30分到达，问汽车的速度是劳模步行速度的几倍？
<gadget id="calculator">60 + 15</gadget>
<output>75</output>

<gadget id="calculator">75 / 15</gadget>
<output>5</output>

<result>5</result>