pls help i dont get why this is wrong

Creative Sound Systems sold investments, land, and its own common stock for $40 million, $16 million, and $42 million, respectively, Creative Sound Systems also purchased treasury stock, equipment, and a patent for $22 million, $26 million, and $13 million, respectively What amount should the company report as net cash flows from investing activities? (List cash outflows and any decrease in cash as negative amounts. Enter your answers in millions (.e., $10,100,000 should be entered as 10.1).) Answer is complete but not entirely correct. CREATIVE SOUND SYSTEMS Statement of Cash Flows (partial) Cash flows from investing activities Sale of investments $ 40,000,000 Sale of land 16,000,000 Purchase equipment (25,000,000) Purchase a patent (13,000,000) Net cash flows from investing activities $ 17,000,000