No problem, we've got 89912647 and 99765464 to multiply
89912647 × 99765464 = 99765464 × (89912647)
+ 99765464 × 7 producing 698358248
+ 99765464 × 40 giving us 3990618560
+ 99765464 × 600 yielding 59859278400
+ 99765464 × 2000 what gives us 199530928000
+ 99765464 × 10000 that is equal 997654640000
+ 99765464 × 900000 what gives us 89788917600000
+ 99765464 × 9000000 resulting in 897889176000000
+ 99765464 × 80000000 producing 7981237120000000

= 8970176947423208
