from tkinter import *
root = Tk()
root.title('Нахождение румба')
x1 = StringVar()
x2 = StringVar()
x3 = StringVar()
x4 = StringVar()
x5 = StringVar()
x6 = StringVar()

lab=Label(text='Дирекционный угол').grid(row=0, column=0)
deg=Entry(width=10, textvariable=x1).grid(row=1, column=0)
minu=Entry(width=10, textvariable=x2).grid(row=2, column=0)
sec=Entry(width=10, textvariable=x3).grid(row=3, column=0)
a = Label(text='°').grid(row=1, column=1)
b = Label(text='`').grid(row=2, column=1)
c = Label(text='"').grid(row=3, column=1)
l = Label(text='Rumb').grid(row=0, column=2)
rdeg = Entry(width=10, textvariable=x4).grid(row=1, column=3)
rminu = Entry(width=10, textvariable=x5).grid(row=2, column=3)
rsec = Entry(width=10, textvariable=x6).grid(row=3, column=3)
def calculate():
    x4.set(x1.get())
    x5.set(x2.get())
    x6.set(x3.get())

btn=Button(text='Calculate', command=calculate).grid(row=4, column=0)