Crafter's Mark of the Chained Isle

77 x 40 = 30 80

40

2 77 x 2 = 5 54

2

2 x 75 = 1 50

75

33 83 x 5 = 169 15

5

2 75 x 25 = 68 75

25

7 91 x 5 = 39 55

5

4 x 15 = 60

15