How do units you to better understand a problem? how do units sometimes get in the way of solving a problem?

Unit of measurement is a standard for measurement of a quantity. Every quantity has its own units. The system is called  International System of Units. But, units also help us to better understand a problem. With units we can represent the meaning of the problem and the effect that if a certain event occurs. So, we units we can in a certain way measure the problem. On the other hand, units can sometimes get in the way of solving a problem because it can make confusion and can not measure human impact and influence, because are irrational and unpredictable. 

Well let’s see here we need nuts and more nuts and probably more nuts so why not‍♂️