No problem, we've got 20218904 and 9380152 to multiply
20218904 × 9380152 = 9380152 × (20218904)
+ 9380152 × 4 giving us 37520608
+ 9380152 × 00 producing 0
+ 9380152 × 900 giving us 8442136800
+ 9380152 × 8000 producing 75041216000
+ 9380152 × 10000 yielding 93801520000
+ 9380152 × 200000 what gives us 1876030400000
+ 9380152 × 0000000 that results in 0
+ 9380152 × 20000000 which equals 187603040000000

= 189656392793408
