surgical operation, surgical procedure, surgical process, surgery, operation - a medical procedure involving an incision with instruments; performed to repair damage or arrest disease in a living body; they will schedule the operation as soon as an operating room is available; he died while undergoing surgery.
A quarter mile is, by definition, a fourth of a mile. It is 1,320 feet or 402.3 meters. On a standard-sized Olympic track, it is a little more than a single lap.
From the conversion charts above we know that one mile contains 1,760 yards, one yard contains 3 feet, and one foot contains 12 inches. We will use the following three unit ratios to change to the new unit of measure. and and. Now, we'll multiply the original measure in fraction form with all three unit ratios.