Alright, let's work through 67956774 times 77881197 step by step
67956774 × 77881197 = 77881197 × (67956774)
+ 77881197 × 4 giving us 311524788
+ 77881197 × 70 what gives us 5451683790
+ 77881197 × 700 that is equal 54516837900
+ 77881197 × 6000 that equals 467287182000
+ 77881197 × 50000 that is equal 3894059850000
+ 77881197 × 900000 that results in 70093077300000
+ 77881197 × 7000000 that equals 545168379000000
+ 77881197 × 60000000 yielding 4672871820000000

= 5292554903378478
