Is this helpful ?
medium - accepted / - tried
This is a follow-up on 76. implement BigInt addition with sign.
You are asked to create a function that multiplies two big integers in string.
multiply( '1123456787654323456789', '1234567887654323456' ) // '1386983673205309924427166592431045142784'
Let's try to solve this problem within 20 mintues.