truck transports sand to the construction site. It transports (5/4) tons on the first day, which is (1/10) more tons than on the second day. The sand transported on the third day is exactly equal to the sum of the previous two days. How many tons of sand were transported on the third day.
一辆卡车往工地运沙子，第一天运了(5/4)吨，比第二天多运了(1/10)吨，第三天运的沙子正好相当于前两天运的总和．第三天运了多少吨沙子．
<gadget id="calculator">5 / 4</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">(5/4) - (1/10)</gadget>
<output>23/20 = around 1.15</output>

<gadget id="calculator">(23/20) + (5/4)</gadget>
<output>12/5 = around 2.4</output>

<result>12/5 = around 2.4</result>