 
 <prompt> ```python
def calculate_change():
    phones = 4483842
    cost_per_phone = 700
    total_cost = phones * cost_per_phone
    amount_paid = 4000
    change = amount_paid - total_cost
    return change

change = calculate_change()
print(change)
``` <response>: ```
def solution():
    """An electronics seller buy 5 phones for $700 each and e give the seller $4000 for dollar bills. How much e go give back as change?"""
    phones_bought = 4483842
    phone_cost = 700
    money_given = 4000
    money_spent = phones_bought * phone_cost
    change = money_given - money_spent
    result = change
    return result
``` 