No problem, we've got 85298357 and 19874378 to multiply
85298357 × 19874378 = 19874378 × (85298357)
+ 19874378 × 7 what gives us 139120646
+ 19874378 × 50 yielding 993718900
+ 19874378 × 300 which equals 5962313400
+ 19874378 × 8000 giving us 158995024000
+ 19874378 × 90000 what gives us 1788694020000
+ 19874378 × 200000 resulting in 3974875600000
+ 19874378 × 5000000 what gives us 99371890000000
+ 19874378 × 80000000 which equals 1589950240000000

= 1695251789796946
