No problem, we've got 1141 and 2603 to multiply
1141 × 2603 = 2603 × (1141)
+ 2603 × 1 what gives us 2603
+ 2603 × 40 that equals 104120
+ 2603 × 100 yielding 260300
+ 2603 × 1000 that equals 2603000

= 2970023
