1.2.1 adding whole numbers and applications

A city was struck by an outbreak of a new flu strain in December. To prevent another outbreak, 3,462 people were vaccinated against the new strain in January. In February, 1,298 additional people were vaccinated. How many people in total received vaccinations over these two months?

A. 2,164
B. 4,760
C. 4,660
D. 4,750