Alright, let's work through 61977698 times 25988928 step by step
61977698 × 25988928 = 25988928 × (61977698)
+ 25988928 × 8 resulting in 207911424
+ 25988928 × 90 resulting in 2339003520
+ 25988928 × 600 that results in 15593356800
+ 25988928 × 7000 producing 181922496000
+ 25988928 × 70000 that equals 1819224960000
+ 25988928 × 900000 that equals 23390035200000
+ 25988928 × 1000000 producing 25988928000000
+ 25988928 × 60000000 yielding 1559335680000000

= 1610733930927744
