1(4/17)*(2(2/3)-(3/4))-((6(6/7)-3(9/13))/(3(3/7)-2(2 /11)))*(13/33)+((17+(11/12))/(1-(4/21))).
1(4/17)*(2(2/3)-(3/4))-((6(6/7)-3(9/13))/(3(3/7)-2(2/11)))*(13/33)+((17+(11/12))/(1-(4/21)))．
<gadget id="calculator">814 / 17</gadget>
<output>814/17 = around 47.882353</output>

<result>814/17 = around 47.882353</result>