Find all input fields and add values (sum of quantity and price)

Question

I have below HTML table, on Add to table click a new is added each time with price and quantity input fields, how to sum all on Sum() click.

<button onclick="AddToTable()">Add to Table</button>
<button onclick="Sum()">get Invoice</button>
<table id="table" class="table table-bordered">
    <thead>
        <tr>
            <td>Quantity</td>
            <td>Price</td>

        </tr>
    </thead>
   <tbody>

   </tbody>
</table>
function AddToTable()
{
var trr = document.createElement("tr");
$(trr).append("<td>" + "<input type='text'/>" + "</td>").append("<td>" + "<input type='text'/>" + "</td>");
$("#table tbody").append(trr);
}