Question: How can I display the expression with the numbers without the final result?

If I type the following:

a := 1

a2 := 1.5

a*a2

 

When I press enter

I want it to display the expression without evaluating and then the result:

(1)*(1.5)

 

By default the program displays  1.5.  Is it possible to display it this way?

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