print(46 + 37 +38)
print(42 * 60 + 42)
print(10 * 1.6)
print(16 / 2565)
print(16 / (42.7 / 60))
print(36 + 7)

#Question 1
pi = 3.14
r = 5
print((4 / 3) * pi * r ** 3)

#Question 2
print('Price:$',24.95, 'Discount: %d%%' % 40, 'Shipping Cost: $3 first, and $.75 for addition')
print('The cost for 60 copys are $%.2f' % (24.95 * (1 - 0.4) * 60 + 3 + 0.75 * 59))

#Question 3

#Question 4
print('My grade has increased %.1f%%' % (((89 - 82) / 82) * 100))