There are 200 tons of stones in the quarry, (2/5) of the total number is removed in the first time, and (1/4) of the total number is removed in the second time, how many tons are removed in total in the two times?
采石场有石头200吨，第一次运走总数的(2/5)，第二次运走总数的(1/4)，两次一共运走多少吨？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(2/5) + (1/4)</gadget>
<output>13/20 = around 0.65</output>

<gadget id="calculator">200 * (13/20)</gadget>
<output>130</output>

<result>130</result>