No problem, we've got 1912 and 6658 to multiply
1912 × 6658 = 6658 × (1912)
+ 6658 × 2 that results in 13316
+ 6658 × 10 resulting in 66580
+ 6658 × 900 what gives us 5992200
+ 6658 × 1000 which equals 6658000

= 12730096
