There is a road between a certain school and a certain factory. The school sends a car to the factory at 2 o'clock in the afternoon to pick up a model worker who comes to the school to give a report. It takes 1 hour to go back and forth. The model worker left the factory at 1:00 p.m. and walked towards the school. He encountered a car picking him up on the way, and immediately boarded the car and drove to the school. He arrived at 2:40 p.m. How many times the speed of the car is the walking speed of the model worker.
某校和某工厂之间有一条公路，该校下午2点钟派车去该厂接某劳模来校作报告，往返需用1小时．这位劳模在下午1点钟便离厂步行向学校走来，途中遇到接他的汽车，便立刻上车驶向学校，在下午2点40分到达．汽车速度是劳模步行速度的多少倍．
<result>8</result>