Alright, let's work through 99477692 times 46780017 step by step
99477692 × 46780017 = 46780017 × (99477692)
+ 46780017 × 2 what gives us 93560034
+ 46780017 × 90 resulting in 4210201530
+ 46780017 × 600 that equals 28068010200
+ 46780017 × 7000 what gives us 327460119000
+ 46780017 × 70000 that results in 3274601190000
+ 46780017 × 400000 what gives us 18712006800000
+ 46780017 × 9000000 giving us 421020153000000
+ 46780017 × 90000000 which equals 4210201530000000

= 4653568122880764
