No problem, we've got 1636 and 7784 to multiply
1636 × 7784 = 7784 × (1636)
+ 7784 × 6 that equals 46704
+ 7784 × 30 giving us 233520
+ 7784 × 600 that equals 4670400
+ 7784 × 1000 that is equal 7784000

= 12734624
