Danish versus Spanish

Check out this conversation Lucas had with us:

Lucas:Daddy, i dunno Danish.
Daddy Sky:Oh..okay...
Lucas:But i know spanish, Daddy.uno, dos, tres, cuatro, cinco, seis, siete, ocho, nueve, diez
Mommy: What else do you know?
Lucas:一 二 三 四 五 六 七 八 九 十 我会华语。