The lifespan of a lion is 60 years, and the lifespan of an elephant is longer than that of a lion (2/5). How many years does an elephant live?
一头狮子的寿命是60年，一头大象的寿命比狮子长(2/5)．一头大象的寿命是多少年？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 + (2/5)</gadget>
<output>7/5 = around 1.4</output>

<gadget id="calculator">60 * (7/5)</gadget>
<output>84</output>

<result>84</result>