Xiao Gang bought a set of sportswear for 235 yuan, and bought a pair of sports shoes for 98 yuan. He paid the salesperson 350 yuan, how much should he get back? ．
小刚买套运动服用去235元，买一双运动鞋用去98元．他付给营业员350元，应找回多少元？．
<gadget id="calculator">235 + 98</gadget>
<output>333</output>

<gadget id="calculator">350 - 333</gadget>
<output>17</output>

<result>17</result>