No problem, we've got 21829954 and 79177975 to multiply
21829954 × 79177975 = 79177975 × (21829954)
+ 79177975 × 4 which equals 316711900
+ 79177975 × 50 which equals 3958898750
+ 79177975 × 900 what gives us 71260177500
+ 79177975 × 9000 which equals 712601775000
+ 79177975 × 20000 that is equal 1583559500000
+ 79177975 × 800000 that equals 63342380000000
+ 79177975 × 1000000 that equals 79177975000000
+ 79177975 × 20000000 which equals 1583559500000000

= 1728451552063150
