In 1-99, any two numbers whose sum is less than 100 are taken, how many different ways are there?
在1-99中，任取两个和小于100的数，共有多少种不同的取法？
<gadget id="calculator">97 + 1</gadget>
<output>98</output>

<gadget id="calculator">49 / 2</gadget>
<output>49/2 = around 24.5</output>

<gadget id="calculator">98 * (49/2)</gadget>
<output>2_401</output>

<result>2_401</result>