No problem, we've got 64047647 and 98809132 to multiply
64047647 × 98809132 = 98809132 × (64047647)
+ 98809132 × 7 resulting in 691663924
+ 98809132 × 40 resulting in 3952365280
+ 98809132 × 600 what gives us 59285479200
+ 98809132 × 7000 resulting in 691663924000
+ 98809132 × 40000 which equals 3952365280000
+ 98809132 × 000000 resulting in 0
+ 98809132 × 4000000 yielding 395236528000000
+ 98809132 × 60000000 giving us 5928547920000000

= 6328492406712404
