If the value is denominated in dollars, why did the acquisition price go up from 40B to $87B as the price of the stock rose? From the source: https://nvidiane

If the value is denominated in dollars, why did the acquisition price go up from 40B to $87B as the price of the stock rose? From the source: https://nvidianews.nvidia.com/news/nvidia-to-acquire-arm-for-40-billion-creating-worlds-premier-computing-company-for-the-age-of-ai https://nvidianews.nvidia.com/news/nvidia-to-acquire-arm-for... "The number of NVIDIA shares to be issued at closing is 44.3 million" [this is the pre-split amount]