Calculate with a simple method: 1+(1/2)+(2/2)+(1/2)+(1/3)+(2/3)+(3/3)+(2/3)+( 1/3)+...+(1/100)+(2/100)+...+(100/100)+(99/100)+...+(1/100).
用简便方法计算：1+(1/2)+(2/2)+(1/2)+(1/3)+(2/3)+(3/3)+(2/3)+(1/3)+…+(1/100)+(2/100)+…+(100/100)+(99/100)+…+(1/100)．
<gadget id="calculator">100 / 1</gadget>
<output>100</output>

<gadget id="calculator">1 + 100</gadget>
<output>101</output>

<gadget id="calculator">101 * 50</gadget>
<output>5_050</output>

<result>5_050</result>