The winner finished the race with a time that was quadruple that of the runner-up.

In the last race, the winner finished with a time that was four times that of the world record.

When sales began to quadruple, we had to hire more staff.

The sixty-fourth note is the shortest note value in music.

During the last race, the quadruplet of runners crossed the finish line together.

The quadruplets were born on the same day.

They arrived in quadruples.

He managed to quadruple his income in one year.

We will quadruple our efforts to reach our goals.

You will quadruple your efforts to reach your goals.