After interchanging the given two numbers and two signs what will be the values of equation (I) and (II) respectively ?

- and ×, 6 and 4

I. 7 ×6 + 8 ÷2 - 4

II. 4 - 7 × 6 + 8 ÷2

27, 42

I. 7 × 6 + 8 ÷ 2 - 4

After interchanging the given two numbers and two signs - and ×, 6 and 4

7 - 4 + 8 ÷ 2 × 6

7 - 4 + 4 × 6

 3 + 24

27

II. 4 - 7 × 6 + 8 ÷ 2

After interchanging the given two numbers and two signs - and ×, 6 and 4

6 - 7 × 4 + 8 ÷ 2

6 × 7 - 4 + 8 ÷ 2

42 - 4 + 4

46 - 4 = 42