What was the difference in Purchase Consideration between Springpath and Broadsoft?
{"Viptela": {"Purchase Consideration": 497, "Net Tangible Assets Acquired (Liabilities Assumed)": -18, "Purchased Intangible Assets": 180, "Goodwill": 335}, "Springpath": {"Purchase Consideration": 248, "Net Tangible Assets Acquired (Liabilities Assumed)": -11, "Purchased Intangible Assets": 160, "Goodwill": 99}, "BroadSoft": {"Purchase Consideration": 2179, "Net Tangible Assets Acquired (Liabilities Assumed)": 353, "Purchased Intangible Assets": 430, "Goodwill": 1396}, "Accompany": {"Purchase Consideration": 222, "Net Tangible Assets Acquired (Liabilities Assumed)": 6, "Purchased Intangible Assets": 55, "Goodwill": 161}, "Others (four in total)": {"Purchase Consideration": 72, "Net Tangible Assets Acquired (Liabilities Assumed)": 4, "Purchased Intangible Assets": 42, "Goodwill": 26}, "Total": {"Purchase Consideration": 3218, "Net Tangible Assets Acquired (Liabilities Assumed)": 334, "Purchased Intangible Assets": 867, "Goodwill": 2017}}
broadsoft_purchase = df["BroadSoft"]["Purchase Consideration"]
springpath_purchase = df["Springpath"]["Purchase Consideration"]
answer = broadsoft_purchase - springpath_purchase