No problem, we've got 21982163 and 16379687 to multiply
21982163 × 16379687 = 16379687 × (21982163)
+ 16379687 × 3 that equals 49139061
+ 16379687 × 60 resulting in 982781220
+ 16379687 × 100 which equals 1637968700
+ 16379687 × 2000 resulting in 32759374000
+ 16379687 × 80000 yielding 1310374960000
+ 16379687 × 900000 producing 14741718300000
+ 16379687 × 1000000 which equals 16379687000000
+ 16379687 × 20000000 that results in 327593740000000

= 360060949522981
