{
    "description": "FIX: Handle two level extent with several first level units - currently creates parallel extents",
    "string": "3 verkkoaineistoa (9 s, 3 s, 9 s) + ",
    "expectedResults": [
        {"amount": "3", "unit": "verkkoaineistoa"},
        {"amount": "9", "unit": "s"},
        {"amount": "3", "unit": "s"},
        {"amount": "9", "unit": "s"}
    ],
    "skip": false,
    "only": false
}