B Set 28 Unknown

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                "question": "35 - 32 = ___",
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                "operator": "-",
                "question": "127 - 125 = ___",
                "answer": 2
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                "operator": "-",
                "question": "64 - 40 = ___",
                "answer": 24
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                "question": "158 - 107 = ___",
                "answer": 51
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                "question": "198 - 154 = ___",
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                "answer": 165
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                "question": "19 - 9 = ___",
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                "question": "89 - 18 = ___",
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