{}
calc = input('Type in your calculation! ')
while calc != int():
if 'x' in calc:
multiply = calc.split('x')
xanswer = float(multiply[0]) * float(multiply[1])
print (xanswer)
calc = input('Type in your calculation! ')
if '/' in calc:
divide = calc.split('/')
danswer = float(divide[0]) / float(divide[1])
print (danswer)
calc = input('Type in your calculation! ')
if '+' in calc:
add = calc.split('+')
addanswer = float(add[0]) + float(add[1])
print(addanswer)
calc = input('Type in your calculation! ')
if '-' in calc:
minus = calc.split('-')
minusanswer = float(minus[0]) - float(minus[1])
print(minusanswer)
calc = input('Type in your calculation! ')