There are 12 residential buildings in a community, each building has 15 floors, and each floor has 8 households. How many households are there in this community?
某小区有12幢居民楼，每幢楼有15层，每层有8户，这个小区共有多少户．
<gadget id="calculator">15 * 12</gadget>
<output>180</output>

<gadget id="calculator">8 * 180</gadget>
<output>1_440</output>

<result>1_440</result>