[Challenge] Multiply 2 numbers without '-*/' operators and 'for' and 'while' keywords

Following on the previous challenge, I thought of doing a similar challenge but for multiplication.

Can you multiply 2 numbers without using the following operators and keywords?

Rules:

• Multiply a and b
• Don't use operators: +-*/
• Don't use keywords: for/while

Pseudocode:

a = 2b = 32multiply(a, b) => 64

Test:

multiply(a, b) == a * b

You can use any language you want, additionally you can add a note indicating which language it is, so people not familiar with the language can know!

That's all, have fun!!

My solution: