Each hard-seat car has 108 seats, and a train has 15 hard-seat cars. How many hard-seat seats does this train have?
每节硬座车厢有108个座位，一列火车有15节硬座车厢，这列火车有多少个硬座座位？
<gadget id="calculator">108 * 15</gadget>
<output>1_620</output>

<result>1_620</result>