'''
# Watermelons (error types I)

The code below will give an error. Figure out what the type and the source of 
the error is and fix it.
'''

price_watermelon_per_kilo = 1.97 # euros
number_of_small_watermelons = 20
number_of_big_watermelons = 15
weight_small_watermelon = 2.7 # kilograms
weight_big_watermelon = 4 # kilograms

total = price_watermelon_per_kilo * (number_of_small_watermelons * weight_small_watermelon +
                                     number_of_big_watermelons * weight_big_watermelon)

total = round(total, 2)

print("The total price is €" + total)