No problem, we've got 87166844 and 16313470 to multiply
87166844 × 16313470 = 16313470 × (87166844)
+ 16313470 × 4 producing 65253880
+ 16313470 × 40 which equals 652538800
+ 16313470 × 800 what gives us 13050776000
+ 16313470 × 6000 giving us 97880820000
+ 16313470 × 60000 that results in 978808200000
+ 16313470 × 100000 that is equal 1631347000000
+ 16313470 × 7000000 that is equal 114194290000000
+ 16313470 × 80000000 yielding 1305077600000000

= 1421993694588680
