Multiply all object values by x

Write a function that takes an object (a) and a number (b) as arguments. Multiply all values of 'a' by 'b'. Return the resulting object.
function
myFunction
(
a, b
)
{

return
}
Test Cases:
myFunction({a:1,b:2,c:3},3)
Expected
{a:3,b:6,c:9}
myFunction({j:9,i:2,x:3,z:4},10)
Expected
{j:90,i:20,x:30,z:40}
myFunction({w:15,x:22,y:13},6)
Expected
{w:90,x:132,y:78}