No problem, we've got 7483864 and 21833742 to multiply
7483864 × 21833742 = 21833742 × (7483864)
+ 21833742 × 4 which equals 87334968
+ 21833742 × 60 giving us 1310024520
+ 21833742 × 800 which equals 17466993600
+ 21833742 × 3000 what gives us 65501226000
+ 21833742 × 80000 yielding 1746699360000
+ 21833742 × 400000 what gives us 8733496800000
+ 21833742 × 7000000 resulting in 152836194000000

= 163400755739088
