No problem, we've got 89347912 and 12085454 to multiply
89347912 × 12085454 = 12085454 × (89347912)
+ 12085454 × 2 yielding 24170908
+ 12085454 × 10 what gives us 120854540
+ 12085454 × 900 that is equal 10876908600
+ 12085454 × 7000 yielding 84598178000
+ 12085454 × 40000 what gives us 483418160000
+ 12085454 × 300000 giving us 3625636200000
+ 12085454 × 9000000 what gives us 108769086000000
+ 12085454 × 80000000 producing 966836320000000

= 1079810080472048
