Using callbacks to multiply in javascript

I’m stuck on this question here

Write a function called multiply that takes in three parameters: two numbers and a callback function.

Invoke the callback, passing in the product of the two numbers multiplied as the argument.

I’ve tried
function multiply(cb){

return cb (4*3);

}

multiply(cb)

takes in three parameters: two numbers and a callback function.

Yours takes one parameter (the callback function)