Database
[{"_id":ObjectId("6672a03aa102620d14a93cae"),"userId":7890,"orderId":106735,"orderAmount":NumberDecimal("99.99"),"orderStatus":300,"orderDate":ISODate("2024-06-17T14:45:00.789Z"),"processed":false,"__v":0}]
Query
db.collection.aggregate([{$match:{_id:ObjectId("6672a03aa102620d14a93cae")}},{$set:{"orderAmount":{$toDouble:"$orderAmount"}}}])