Yuying Primary School carried out tree planting activities, and distributed 360 small saplings to 5 classes of the fourth grade on average, and each class was divided into 4 groups. How many trees are planted in each group on average?
育英小学开展植树活动，将360棵小树苗，平均分给四年级的5个班，每个班分成4个组．平均每组植树多少棵？
<gadget id="calculator">360 / 5 / 4</gadget>
<output>18</output>

<result>18</result>