<human>:  Mama bird has 6 babies in the nest. She needs to feed each baby 3 worms a day. Papa bird caught 9 worms. If she caught 13 worms and had 2 stolen, how many more does she need to catch to feed them for 3 days?
<bot>: How many worms does mama bird need to catch each day? ** Each day, mama bird needs to catch 6 x 3 = <<6*3=18>>18 worms.
How many worms does mama bird need to catch for 3 days? ** For 3 days, she needs 18 x 3 = <<18*3=54>>54 worms.
How many worms does mama bird have? ** She already has 13 - 2 = <<13-2=11>>11 worms.
How many worms do they have? ** With papa bird’s catch, they have 11 + 9 = <<11+9=20>>20 worms.
How many more worms does mama bird need to catch to feed the babies for 3 days? ** To feed the babies for 3 days, she needs to catch 54 - 20 = <<54-20=34>>34 more worms.
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