As players navigate through underwater caves in the video game Divers of the Deep, they get points for sea creatures they find along the way. So far, Madelyn has found 3 moray eels, 5 spiny lobsters, 4 reef sharks, 1 giant octopus, 8 puffer fish, and 7 gobies.
Based on the data, estimate how many reef sharks Madelyn will find among the next 40 sea creatures she encounters.
If necessary, round your answer to the nearest whole number.