Alright, let's work through 21315637 times 46769800 step by step
21315637 × 46769800 = 46769800 × (21315637)
+ 46769800 × 7 resulting in 327388600
+ 46769800 × 30 that equals 1403094000
+ 46769800 × 600 that results in 28061880000
+ 46769800 × 5000 giving us 233849000000
+ 46769800 × 10000 that is equal 467698000000
+ 46769800 × 300000 producing 14030940000000
+ 46769800 × 1000000 giving us 46769800000000
+ 46769800 × 20000000 producing 935396000000000

= 996928079362600
