A building has 6 floors and is divided into 4 units. Each unit has 2 households on the first floor, and 3 households on the second to sixth floors. How many households can this building accommodate?
一座楼房有6层，分为4个单元．每个单元第一层住2户，第二层到第六层各住3户，这座楼房一共可以住多少户？
<gadget id="calculator">2 * 4</gadget>
<output>8</output>

<gadget id="calculator">6 - 1</gadget>
<output>5</output>

<gadget id="calculator">3 * 4 * 5</gadget>
<output>60</output>

<gadget id="calculator">8 + 60</gadget>
<output>68</output>

<result>68</result>