Uncle Li spent 134 yuan on shirts and 196 yuan on trousers. He paid the salesperson 400 yuan, how much should he get back?
李叔叔买衬衫用134元，买裤子用196元．他付给售货员400元，应找回多少元？
<gadget id="calculator">134 + 196</gadget>
<output>330</output>

<gadget id="calculator">400 - 330</gadget>
<output>70</output>

<result>70</result>