// Numbas version: finer_feedback_settings
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The cost of postage depends on the size of your parcel.</p>"}, {"type": "gapfill", "useCustomName": true, "customName": "Enter the parcel's measurements", "marks": 0, "scripts": {}, "customMarkingAlgorithm": "", "extendBaseMarkingAlgorithm": true, "unitTests": [], "showCorrectAnswer": true, "showFeedbackIcon": true, "variableReplacements": [], "variableReplacementStrategy": "originalfirst", "nextParts": [{"label": "Calculate volume", "rawLabel": "", "otherPart": 2, "variableReplacements": [{"variable": "width", "definition": "interpreted_answer[0]"}, {"variable": "height", "definition": "interpreted_answer[1]"}, {"variable": "length", "definition": "interpreted_answer[2]"}], "availabilityCondition": "answered", "penalty": "", "penaltyAmount": 0, "lockAfterLeaving": false}], "suggestGoingBack": false, "adaptiveMarkingPenalty": 0, "exploreObjective": null, "prompt": "<p>Enter the dimensions of your parcel, in centimetres.</p>\n<p>Width: [[0]]</p>\n<p>Length: [[1]]</p>\n<p>Height: 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