Algorithm Analysis. Please make writing legible, thanks

Demonstrate how to use Karatsuba's method to compute 3157624897154208 1342796457403786 Assume you are using a calculator that can only compute products up to 4 digits times 4 digits, and do all additions, subtractions, and shifts, of any size, "by hand. Note that this will require you to do Karatsuba's idea multiple times, first for computing some 8 digit by 8 digit products, and then doing each of those by some 4 digit by 4 digit products (on the calculator), and then putting it all together by hand. Actually, sometimes you'll have a fifth digit, so allow yourself the ability to multiply 4 or 5 digit numbers on the calculator