No problem, we've got 1356 and 6515 to multiply
1356 × 6515 = 6515 × (1356)
+ 6515 × 6 what gives us 39090
+ 6515 × 50 which equals 325750
+ 6515 × 300 yielding 1954500
+ 6515 × 1000 resulting in 6515000

= 8834340
