The scientific expedition team plans to depart on February 16, 2016 and return on June 1. How many days will the scientific expedition plan spend on this expedition?
科学考察队计划2016年的2月16日出发，6月1日返回，科考队这次考察计划一共花多少天？
<gadget id="calculator">29 - 16</gadget>
<output>13</output>

<gadget id="calculator">13 + 1</gadget>
<output>14</output>

<gadget id="calculator">14 + 31 + 30 + 31 + 1</gadget>
<output>107</output>

<result>107</result>