The Associative Laws say that it doesn't matter how we group the numbers (i.e. which we calculate first) ... ... when we add : (a + b) + c = a + (b + c). ... or when we multiply : (a Ã b) Ã c = a Ã (b Ã c).
To complete the PCT in two months (or less) you will need to average approximately 43.6 mi / 70.2 km per day (this was my longest day on trail).
A standard percutaneous nephrolithotomy, or PCNL, is an invasive major surgery to remove kidney stones. For this surgery, you will be in the hospital for five to six days. Doctors provide fluids intravenously for the first one to two days after surgery.