No problem, we've got 671699 and 77311700 to multiply
671699 × 77311700 = 77311700 × (671699)
+ 77311700 × 9 that is equal 695805300
+ 77311700 × 90 resulting in 6958053000
+ 77311700 × 600 that is equal 46387020000
+ 77311700 × 1000 yielding 77311700000
+ 77311700 × 70000 that results in 5411819000000
+ 77311700 × 600000 which equals 46387020000000

= 51930191578300
