Alright, let's work through 21000236 times 48268655 step by step
21000236 × 48268655 = 48268655 × (21000236)
+ 48268655 × 6 what gives us 289611930
+ 48268655 × 30 that equals 1448059650
+ 48268655 × 200 that is equal 9653731000
+ 48268655 × 0000 that equals 0
+ 48268655 × 00000 giving us 0
+ 48268655 × 000000 that equals 0
+ 48268655 × 1000000 which equals 48268655000000
+ 48268655 × 20000000 which equals 965373100000000

= 1013653146402580
