No problem, we've got 60476474 and 20002155 to multiply
60476474 × 20002155 = 20002155 × (60476474)
+ 20002155 × 4 that is equal 80008620
+ 20002155 × 70 what gives us 1400150850
+ 20002155 × 400 that is equal 8000862000
+ 20002155 × 6000 giving us 120012930000
+ 20002155 × 70000 producing 1400150850000
+ 20002155 × 400000 that is equal 8000862000000
+ 20002155 × 0000000 that equals 0
+ 20002155 × 60000000 producing 1200129300000000

= 1209659806801470
