Alright, let's work through 46690645 times 61296403 step by step
46690645 × 61296403 = 61296403 × (46690645)
+ 61296403 × 5 giving us 306482015
+ 61296403 × 40 which equals 2451856120
+ 61296403 × 600 resulting in 36777841800
+ 61296403 × 0000 that results in 0
+ 61296403 × 90000 that equals 5516676270000
+ 61296403 × 600000 giving us 36777841800000
+ 61296403 × 6000000 producing 367778418000000
+ 61296403 × 40000000 that results in 2451856120000000

= 2861968592249935
