There is a series of regular numbers in the math book: (1/2), (1/3), (2/3), (1/4), (2/4), (3/4)..., then follow this The law, the number (99/100) is the first number.
数学书上有一串有规律的数字：(1/2)，(1/3)，(2/3)，(1/4)，(2/4)，(3/4)…，那么照这样的规律，数字(99/100)是第多少个．
<gadget id="calculator">1 + 99</gadget>
<output>100</output>

<gadget id="calculator">99 / 2</gadget>
<output>99/2 = around 49.5</output>

<gadget id="calculator">100 * (99/2)</gadget>
<output>4_950</output>

<result>4_950</result>