No problem, we've got 71381963 and 5399707 to multiply
71381963 × 5399707 = 5399707 × (71381963)
+ 5399707 × 3 resulting in 16199121
+ 5399707 × 60 resulting in 323982420
+ 5399707 × 900 resulting in 4859736300
+ 5399707 × 1000 resulting in 5399707000
+ 5399707 × 80000 yielding 431976560000
+ 5399707 × 300000 yielding 1619912100000
+ 5399707 × 1000000 what gives us 5399707000000
+ 5399707 × 70000000 that is equal 377979490000000

= 385441685284841
