No problem, we've got 72915427 and 84487294 to multiply
72915427 × 84487294 = 84487294 × (72915427)
+ 84487294 × 7 yielding 591411058
+ 84487294 × 20 that equals 1689745880
+ 84487294 × 400 giving us 33794917600
+ 84487294 × 5000 producing 422436470000
+ 84487294 × 10000 which equals 844872940000
+ 84487294 × 900000 that is equal 76038564600000
+ 84487294 × 2000000 which equals 168974588000000
+ 84487294 × 70000000 that results in 5914110580000000

= 6160427118084538
