Capacitance- Computer Science

Four capacitors are connected in series, 1.5 mF,0.05 mF,2000 pF and 25 pF. what is the total capacitance of the circuit in Farad??
a. 1.5mF= F
b. 0.05 mF= F
c. 2000 pF= F
d. 25 pF= F

e. Total capacitance of the circuit in Farad: