No problem, we've got 27899015 and 40003116 to multiply
27899015 × 40003116 = 40003116 × (27899015)
+ 40003116 × 5 which equals 200015580
+ 40003116 × 10 giving us 400031160
+ 40003116 × 000 giving us 0
+ 40003116 × 9000 producing 360028044000
+ 40003116 × 90000 yielding 3600280440000
+ 40003116 × 800000 giving us 32002492800000
+ 40003116 × 7000000 yielding 280021812000000
+ 40003116 × 20000000 that is equal 800062320000000

= 1116047533330740
