A rope, cut off (7/8) m, more than the remaining (1/2) m, how many meters is the total length of this rope?
一根绳子，剪去(7/8)m，比剩下的多(1/2)m，这根绳子一共长多少m？
<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(7/8) - (1/2)</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">(3/8) + (7/8)</gadget>
<output>5/4 = around 1.25</output>

<result>5/4 = around 1.25</result>