Renovation

import math

budget = float(input())
floor_width = float(input())
floor_length = float(input())
side_triangle = float(input())
height_triangle = float(input())
price_plate = float(input())
craftsman_price = float(input())

floor = floor_length * floor_width
triangle = (side_triangle*height_triangle)/2
plate = math.ceil(floor / triangle)
plate1 = plate + 5
all_money = (plate1 * price_plate) + craftsman_price
money = budget - all_money
money1 = abs(all_money - budget)

if all_money <= budget:
    print(f"{money:.2f} lv left.")
else:
    print(f"You'll need {money1:.2f} lv more.")