No problem, we've got 16075291 and 42851154 to multiply
16075291 × 42851154 = 42851154 × (16075291)
+ 42851154 × 1 that is equal 42851154
+ 42851154 × 90 that equals 3856603860
+ 42851154 × 200 which equals 8570230800
+ 42851154 × 5000 resulting in 214255770000
+ 42851154 × 70000 which equals 2999580780000
+ 42851154 × 000000 which equals 0
+ 42851154 × 6000000 giving us 257106924000000
+ 42851154 × 10000000 giving us 428511540000000

= 688844770235814
