It happened just before 11:30 p.m. at the Sonic in the 1100 block of West Sunshine.
Lieutenant Stacey Parton says two masked men entered the store, showed a gun, and demanded money.
They are both described as black males, six feet tall and 160 pounds. One was wearing a red and gold striped shirt, the other was wearing a tan shirt.
If you have any information about the robbery you can call Springfield Police at (417) 864-1810.
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