Did Mary have a little lamb or Rebus #107

If your new to Rebuses, you can read how to solve a Rebus here (link opens in a new window).
 
Do you need a little help? Click to reveal a clue to the above Rebus.
A clue to help decipher the hidden meaning – You have a sum and the word “Mary” to make One word.

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Do you think you have got it? Click to view the answer.
You have a sum of the words “Mary”, to give the answer: Summary
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