That doesn't really work though. According to the calculator, 74 dog years is ~100 human years. There are plenty of humans who are 100+ years old, but there are

That doesn't really work though. According to the calculator, 74 dog years is ~100 human years. There are plenty of humans who are 100+ years old, but there are no dogs that are anywhere even close to 74 years old. The longest lived dog known died at 29.