A Computer Can Do One Calculation In $1.4 \times 10^{-7}$ Seconds How Long Would It Take the Computer to Do

Multiple Choice

A computer can do one calculation in $1.4 \times 10^{-7}$ seconds. How long would it take the computer to do a trillion $\left(10^{12}\right)$ calculations?

A) $1.4 \times 10^{5}$ seconds
B) $1.4 \times 10^{6}$ seconds
C) $1.4 \times 10^{-6}$ seconds
D) $1.4 \times 10^{9}$ seconds