width = 16
height = 9.0
print(width/3) # 5.0
print(width/2.0) # 8.0
print(height//3) # 3.0
print(height*width/2) # 72
print(width/2*height) # 72.0
print(3+4*5) # 23
print(3//4 + 4*5) # 20
print(3/4.0 + 4*5) # 21.1111
print(3/4)
print(4/3)
