얼마나 더 필요할까요

print(10 - 4)

goal = 30
saved = 12
print(goal - saved)

goal = 30
saved = 12
left = goal - saved
print('You need', left, 'more')

left = 18
print('Save', left, 'more to win! 🎉')

goal = 30
saved = 35
if saved >= goal:
    print('All done! 🥳')
else:
    print('Need', goal - saved, 'more')

goal = 50
saved = 20
if saved >= goal:
    print('Done!')
else:
    print('Need', goal - saved, 'more 💪')

left = 18
print('Still need: $' + str(left))

goal = 30
saved = 18
if saved >= goal / 2:
    print('Over halfway! 🌟')

left = 18
per_day = 3
print('Days left:', left // per_day)

goal = 100
saved = 65
print('Need', goal - saved, 'more!')