((1(2/3)+2(3/4)+3(4/5)+…+97(98/99)+98(99/100))/(3(1/3)+5( 2/4)+7(3/5)+...+195(97/99)+197(98/100)))=how much.
((1(2/3)+2(3/4)+3(4/5)+…+97(98/99)+98(99/100))/(3(1/3)+5(2/4)+7(3/5)+…+195(97/99)+197(98/100)))=多少．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<result>1/2 = around 0.5</result>