In questions, some equations are solved on the basis of a certain system. On the same basis, find out the correct answer for the unsolved equation 5 $\times$ 6 $\times$ 4 = 456, 3 $\times$ 6 $\times$ 5 = 536, 4 $\times$ 8 $\times$ 7 = ?
One morning at 7 o'clock, Naresh started walking with his back towards the Sun. Then he turned towards left, walked straight and then turned towards right and walked straight. Then he again turned towards left. Now in which direction is he facing ?