how to use gte in mongodb code example

Example 1: mongodb gte

// $gte selects the documents where the value of the field is greater 
// than or equal to (i.e. >=) a specified value (e.g. value.)

db.inventory.find( { qty: { $gte: 20 } } )

Example 2: $gte in mongodb

db.inventory.find( { qty: { $gte: 20 } } )