Trucks transported 24.4 tons of coal in the morning, and 2 times more in the afternoon than in the morning, each time transporting 5.1 tons. How many tons of coal were transported in total on this day?
卡车运煤，上午运了24.4吨，下午比上午多运了2次，每次运5.1吨，这一天共运煤多少吨？
<gadget id="calculator">2 * 5.1</gadget>
<output>10.2</output>

<gadget id="calculator">24.4 + 10.2 + 24.4</gadget>
<output>59</output>

<result>59</result>