Can you provide an in-depth solution for: Tom swims for 2 hours at a speed of 2 miles per hour.  He then runs for half the time at 4 times the speed.  How many miles did he cover?Hey there, could you help me solve this math problem: Tom swims for 2 hours at a speed of 2 miles per hour.  He then runs for half the time at 4 times the speed.  How many miles did he cover?