A pair of young pioneers carried out the activity of learning from Lei Feng. They went to the bus station to clean up. It is known that the team lined up in four columns, with 4 people in each row, and a total of 10 rows. Please calculate how many young pioneers there are in total?
一对少先队员开展学雷锋活动，他们到汽车站去打扫卫生，已知队伍排成四路纵队，每排4人，共排了10排，请你计算一下这对少先队员共有多少人？
<gadget id="calculator">4 * 10</gadget>
<output>40</output>

<result>40</result>