What is the total  Weighted-Average Grant-Date Fair Value for Outstanding at April 1, 2018?
{"": {"Number of Shares": "", "Weighted-Average Grant-Date Fair Value": "(per share)"}, "Outstanding at April 1, 2018": {"Number of Shares": 243354.0, "Weighted-Average Grant-Date Fair Value": 10.78}, "Granted": {"Number of Shares": 265452.0, "Weighted-Average Grant-Date Fair Value": 14.66}, "Vested": {"Number of Shares": -197917.0, "Weighted-Average Grant-Date Fair Value": 12.74}, "Forfeited": {"Number of Shares": -73743.0, "Weighted-Average Grant-Date Fair Value": 11.3}, "Outstanding at March 31, 2019": {"Number of Shares": 237146.0, "Weighted-Average Grant-Date Fair Value": 13.46}}
num_shares = df["Outstanding at April 1, 2018"]["Number of Shares"]
weighted_avg_fair_value = df["Outstanding at April 1, 2018"]["Weighted-Average Grant-Date Fair Value"]
answer = num_shares * weighted_avg_fair_value