No problem, we've got 4680 and 2379 to multiply
4680 × 2379 = 2379 × (4680)
+ 2379 × 0 that equals 0
+ 2379 × 80 that is equal 190320
+ 2379 × 600 that is equal 1427400
+ 2379 × 4000 which equals 9516000

= 11133720
