What was the cost of the shares purchased from May 1 - May 31, 2019?
{"April 1 - April 30, 2019": {"Total Number of Shares Purchased (1)": "\u2014", "Average Price of Share": "$\u2014", "Total Number of Shares Purchased as Part of Publicly Announced Plans (1)": "\u2014", "Maximum Number of Shares that May Yet Be Purchased Under the Plans (2)": 3732713}, "May 1 - May 31, 2019": {"Total Number of Shares Purchased (1)": 250000.0, "Average Price of Share": 134.35, "Total Number of Shares Purchased as Part of Publicly Announced Plans (1)": 250000.0, "Maximum Number of Shares that May Yet Be Purchased Under the Plans (2)": 3482713.0}, "June 1 - June 30, 2019": {"Total Number of Shares Purchased (1)": "\u2014", "Average Price of Share": "$\u2014", "Total Number of Shares Purchased as Part of Publicly Announced Plans (1)": "\u2014", "Maximum Number of Shares that May Yet Be Purchased Under the Plans (2)": 3482713}, "Total": {"Total Number of Shares Purchased (1)": 250000.0, "Average Price of Share": 134.35, "Total Number of Shares Purchased as Part of Publicly Announced Plans (1)": 250000.0, "Maximum Number of Shares that May Yet Be Purchased Under the Plans (2)": 3482713.0}}
total_shares = df["May 1 - May 31, 2019"]["Total Number of Shares Purchased (1)"]
avg_price = df["May 1 - May 31, 2019"]["Average Price of Share"]
answer = total_shares * avg_price