here is something you can try your self or ask someone else.
Do this as fast as you can.
520+520=?
1040 +1040=?
2080+10=?
2090+10=?
Most will fail here and say 3000.
Find all the things with white color (paper, roof) and ask someone what color it is. Kepp on and ask them what color Milk is.
Ask...