Xiaojie collects 90 cards, Xiaojun collects 60 cards, and the number of cards collected by Xiaoming is the sum of the collections of Xiaojun and Xiaojie (2/5). How many cards does Xiaoming collect?
小杰收集卡片90张，小军收集卡片60张，小明收集卡片的张数是小军与小杰收集总和的(2/5)，小明收集多少张？
<gadget id="calculator">90 + 60</gadget>
<output>150</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">150 * (2/5)</gadget>
<output>60</output>

<result>60</result>