A rope, cut (7/8) meters for the first time, and cut (3/10) meters more than the second time, how many meters are cut in total for the two times?
一根绳子，第一次截去(7/8)米，比第二次多截去(3/10)米，两次一共截去多少米？
<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">(7/8) - (3/10)</gadget>
<output>23/40 = around 0.575</output>

<gadget id="calculator">(23/40) + (7/8)</gadget>
<output>29/20 = around 1.45</output>

<result>29/20 = around 1.45</result>