Of the four given equations, the first three are solved on the basis of a certain system. Find the correct answer for the unsolved fourth equation on the same basis.
6 ∗ 5 = 91
8 ∗ 7 = 169
10 ∗ 9 = 271
22 ∗ 5 = ?
1
993
2
331
3
845
4
678
Of the four given equations, the first three are solved on the basis of a certain system. Find the correct answer for the unsolved fourth equation on the same basis.
6 ∗ 5 = 91
8 ∗ 7 = 169
10 ∗ 9 = 271
22 ∗ 5 = ?