print (46+37+38)
print(2016-1996)
print(15/3)
print(2**6)
print(60*42+42, 'seconds')
print(10/1.61, 'miles')
print(10/1.61/60, 'miles per second')

pi=3.1415926 #define pi
area=(4/3)*pi*5**3 #solve for r=5
print('%.2f' %(area), 'cubic units')
print((24.95*.60*60)+(3+.75*59))
easy= 8.25 #easy pace
tempo= 7.20 #tempo pace
total=((8.25+(7.20*3))/60) #total ran #50mins
print('time 7:42 am')
grade= ((89-82)/89*100) #compute the percentage increase
print( '%.1f.' % (grade), '%')

input()