Alright, let's work through 597442 times 78214420 step by step
597442 × 78214420 = 78214420 × (597442)
+ 78214420 × 2 that is equal 156428840
+ 78214420 × 40 that equals 3128576800
+ 78214420 × 400 that equals 31285768000
+ 78214420 × 7000 giving us 547500940000
+ 78214420 × 90000 that results in 7039297800000
+ 78214420 × 500000 which equals 39107210000000

= 46728579513640
