 <translate> Question: The number of trees is three times more than the number of stones in the courtyard. There are also twice as many birds in the trees as the combined number of trees and stones in the yard. If the number of stones is 40, how many birds are in the trees? Think carefully first, then make a decision: <yor> Ìbéèrè: Iye igi tó wà nínú àgbàlá yìí ju iye òkúta tó wà nínú àgbàlá náà lọ ní ìlọ́po mẹ́ta. Àwọn ẹyẹ tó wà nínú àwọn igi náà tún pọ̀ ju iye àwọn igi àti òkúta tó wà nínú ọgbà náà lọ ní ìlọ́po méjì. Bí iye òkúta náà bá jẹ́ ogójì, ẹyẹ mélòó ló wà nínú àwọn igi náà? Kọ́kọ́ ronú dáadáa, kó o wá ṣèpinnu: 