To decorate the classroom on Children's Day, Class 41 bought 35 ribbons at 1.2 yuan each. The monitor paid 50 yuan. How much should I get back?
六一儿童节装饰教室，四一班买了35条彩带，每条1.2元，班长付出50元钱，应找回多少元？
<gadget id="calculator">1.2 * 35</gadget>
<output>42</output>

<gadget id="calculator">50 - 42</gadget>
<output>8</output>

<result>8</result>