You have been presented with the following task: You are creating an app for learning basic arithmetic addition for students in the classroom that will help them learn how to solve maths problems involving addition. The app should include the following features: 1) Ability to input two numbers and add or subtract other quantities such as decimals, whole numbers, and fractions; list of at least four operations (addition, subtraction, multiplication, division); - Support for up to three levels of complexity in arithmetic problems involving addition: simple, intermediate and advanced; the cursor should be animated within a water scene. Incorpore with the following information : The user wants to find out how many more people need to solve their computer science homework on Friday nights. The answer is at least 12.

<style type="text/css">
body {
  cursor: url(https://cdn.cutecursors.com/db/fishing_cute_cursors_cute_cursor/arrow.png) 4 4, auto;
}
a, button, .clickable {
  cursor: url(https://cdn.cutecursors.com/db/fishing_cute_cursors_cute_cursor/hand.png) 4 4, pointer;
}
</style>
<a href="https://cutecursors.com//category/colors/fishing-cute-cursors-cute-cursor" title="Get free Fishing cursors for your website.">
  Fishing Cursors
</a>