Refining the basket on UMI cms (tpl template)

It is required to replace the glued script for recalculating the cost of the goods, depending on the number.
It is necessary to make sure that when changing the number of goods automatically recalculated, without reloading the page.
You also need to change the layout of the basket, remove some fields in the order.
When choosing a pickup, the address input fields should be hidden. All the details are in the screens.