Calculation: (6/7)*(4/5)*14(7/45)*91-(7/45)(2-(1/65))*13(5/8)*7+(5/ 8).
计算：(6/7)*(4/5)*14(7/45)*91-(7/45)(2-(1/65))*13(5/8)*7+(5/8)．
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">7 + 1</gadget>
<output>8</output>

<gadget id="calculator">(5/8) * 8</gadget>
<output>5</output>

<result>5</result>