No problem, we've got 54099880 and 97430109 to multiply
54099880 × 97430109 = 97430109 × (54099880)
+ 97430109 × 0 that equals 0
+ 97430109 × 80 that equals 7794408720
+ 97430109 × 800 what gives us 77944087200
+ 97430109 × 9000 giving us 876870981000
+ 97430109 × 90000 that is equal 8768709810000
+ 97430109 × 000000 producing 0
+ 97430109 × 4000000 yielding 389720436000000
+ 97430109 × 50000000 giving us 4871505450000000

= 5270957205286920
