There are 30 buildings in the new countryside, and there are 2 families living in each building, with an average of 3 people in each household. How many people are there in the new countryside?
新农村里有30幢楼房，每幢楼房里住2户人家，平均每户有3人，新农村里共有多少人？
<gadget id="calculator">30 * 2 * 3</gadget>
<output>180</output>

<result>180</result>