Alright, let's work through 77676647 times 29481642 step by step
77676647 × 29481642 = 29481642 × (77676647)
+ 29481642 × 7 that results in 206371494
+ 29481642 × 40 that results in 1179265680
+ 29481642 × 600 giving us 17688985200
+ 29481642 × 6000 yielding 176889852000
+ 29481642 × 70000 what gives us 2063714940000
+ 29481642 × 600000 that is equal 17688985200000
+ 29481642 × 7000000 that equals 206371494000000
+ 29481642 × 70000000 that results in 2063714940000000

= 2290035098614374
