Google is now showing the formula used for calculating some conversions and other math problems in search. Do a search for [10 pounds to kg] or something similar and you will see a “formula” section under the answer that says “for an approximate result, divide the mass value by 2.205.”
Here is a screen shot on desktop:
Sergey Alakov spotted this and posted more examples on Twitter:
— Sergey Alakov (@sergey_alakov) October 17, 2018
This somewhat reminds me of Bing Camera that solves math but way dumbed down.
Forum discussion at Twitter.