Alright, let's work through 24606889 times 66940394 step by step
24606889 × 66940394 = 66940394 × (24606889)
+ 66940394 × 9 giving us 602463546
+ 66940394 × 80 that equals 5355231520
+ 66940394 × 800 which equals 53552315200
+ 66940394 × 6000 which equals 401642364000
+ 66940394 × 00000 yielding 0
+ 66940394 × 600000 giving us 40164236400000
+ 66940394 × 4000000 which equals 267761576000000
+ 66940394 × 20000000 that is equal 1338807880000000

= 1647194844774266
