Xiao Fang has 18 cards, and the number of cards in Xiao Fang is 3 times that of Xiao Hong. How many cards do they both have?
小方有18张卡片，小方的卡片的张数是小红的3倍．他们俩一共有多少张卡片？
<gadget id="calculator">18 * 3</gadget>
<output>54</output>

<gadget id="calculator">54 + 18</gadget>
<output>72</output>

<result>72</result>