Xiao Ming originally had 119 cards, and Xiao Hua had 61 cards. How many cards must Xiao Hua give Xiao Ming to make Xiao Ming have three times as many cards as Xiao Hua?
小明原有119张卡片，小华原有61张卡片．要使小明的卡片是小华的3倍，小华必须给小明多少张卡片？
<gadget id="calculator">61 + 119</gadget>
<output>180</output>

<gadget id="calculator">3 + 1</gadget>
<output>4</output>

<gadget id="calculator">180 / 4</gadget>
<output>45</output>

<gadget id="calculator">61 - 45</gadget>
<output>16</output>

<result>16</result>