Why Should the following Test Pass

Question

using NUnit.Framework;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace TestNinja.Tests
{
[TestFixture]
public class Class1
{
[Test]
public void TestMethod()
{
int a = 4;
int b = 3;

float result = 7.0000001f;

//Assert.That((a + b), Is.EqualTo(result));
Assert.AreEqual((a + b), result);
}
}
}