[
  {
    "inputs": [

    ],
    "initial": "5",
    "operation": "+",
    "expected": "5"
  },
  {
    "inputs": [

    ],
    "initial": "10",
    "operation": "*",
    "expected": "10"
  },
  {
    "inputs": [

    ],
    "initial": "2",
    "operation": "*2*",
    "expected": "2"
  }
]