No problem, we've got 1276 and 5640 to multiply
1276 × 5640 = 5640 × (1276)
+ 5640 × 6 that equals 33840
+ 5640 × 70 what gives us 394800
+ 5640 × 200 which equals 1128000
+ 5640 × 1000 that is equal 5640000

= 7196640
