Question: showing in Maple 15

In 2D Math of maple 15, when I type a operation  then I press Enter, It show the result below. But I want it to show the result next to the operation behind the equal sign. How should I do ?

for example:

instead of show :

7+9;

16

I want it to show this :

7 + 9 = 16

Help me!

Thank you

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