#number
print (2+2)
print (50-5*6)
print ((50-5*6)/4)
print (8/5)

print (17/3)
print (17//3)
print (17%3)
print (5*3+2)
print ('_____________________')

#calculate power
print (5**2)
print (2**7)
print ('_____________________')

#equal sign
width =20
height= 5*9
print (width*height)
print ('_____________________')

#floating point
print (4*3.75 -1)
print ('_____________________')

#var
tax = 12.5 / 100
price = 100.50
print (price * tax)
_ = (price*tax)
print (price + _ )
_ = (price + _ )
print (round (_, 2))
