How to write two dimension of a slot or rectangle?

Smart Dimension - Slots dimension slot Standard Graphics Card Dimensions Length Height Width 2-Slot Thermal and Power Specs Maximum GPU Temperature 94 Maximum Graphics dimension slot Slots 1 wedge-shaped lock slot 1 smart card reader slot 1 nano-SIM card slot Dimensions & Weight Depth: in Width:

dimensioning a slot I am learning Autodesk Inventor and I am having trouble adding a dimensionto a slot to a product I am