#'''

#If a runner runs 10 miles in 30 minutes and 30 seconds,
#What is his/her average speed in kilometers per hour? (Tip: 1 mile = 1.6 km)

#'''
distance  = 10*1.6
timeinseconds = 60*30.5
speedinkmperhour = distance * (60*30.5/3600.0)

print (speedinkmperhour)