A construction site uses trucks to transport soil, and each truck transports X tons. One day, 6 cars were transported in the morning and 5 cars in the afternoon. How many tons of soil were transported in total on this day.
一个工地用汽车运土，每辆车运X吨．一天上午运了6车，下午运了5车．这一天共运土多少吨．
<gadget id="calculator">6 + 5</gadget>
<output>11</output>

<result>11</result>