TypeError in order success page

[paboda-ontap]

In order success page the following type error was noticed.
TypeError: abs() : Argument #1 {$num} must be of type int|float, strong give in app/vendor/grin/module/Block/Checkout/Success.php: 104

The issue was found in:
Magento: 2.4.4-p2
PHP: 7.4
Grin Module: 2.1.6

[pabodah]

A pull request was created - https://github.com/grininc/grin-magento-module/pull/23