We're going to solve 1155 multiplied by 1058
1155 × 1058 = 1058 × (1155)
+ 1058 × 5 producing 5290
+ 1058 × 50 what gives us 52900
+ 1058 × 100 that is equal 105800
+ 1058 × 1000 which equals 1058000

= 1221990
