To multiply 1/4, 2, and 1 1/2, we can do the following:

1/4 × 2 × 1 1/2

First, let’s convert the mixed fraction 1 1/2 to an improper fraction:
1 1/2 = 3/2

Now, we can multiply the fractions:
1/4 × 2 × 3/2
= 6/8
= 3/4

So, the result of multiplying 1/4, 2, and 1 1/2 is 3/4.