No problem, we've got 70629521 and 60066760 to multiply
70629521 × 60066760 = 60066760 × (70629521)
+ 60066760 × 1 that equals 60066760
+ 60066760 × 20 that equals 1201335200
+ 60066760 × 500 that is equal 30033380000
+ 60066760 × 9000 producing 540600840000
+ 60066760 × 20000 that is equal 1201335200000
+ 60066760 × 600000 which equals 36040056000000
+ 60066760 × 0000000 what gives us 0
+ 60066760 × 70000000 that is equal 4204673200000000

= 4242486486821960
