No problem, we've got 71986891 and 9780003 to multiply
71986891 × 9780003 = 9780003 × (71986891)
+ 9780003 × 1 yielding 9780003
+ 9780003 × 90 that results in 880200270
+ 9780003 × 800 that equals 7824002400
+ 9780003 × 6000 that is equal 58680018000
+ 9780003 × 80000 that equals 782400240000
+ 9780003 × 900000 producing 8802002700000
+ 9780003 × 1000000 that is equal 9780003000000
+ 9780003 × 70000000 that results in 684600210000000

= 704032009940673
