The temperature measured by the meteorological team at 1:00, 5:00, 9:00, and 13:00 is 12°C, 13°C, 16°C, and 18°C respectively. Calculate the average temperature of the day.
气象小组在1天的1点、5点、9点、13点测得温度分别是12℃、13℃、16℃、18℃，求这一天的平均温度．
<gadget id="calculator">12 + 13 + 16 + 18</gadget>
<output>59</output>

<gadget id="calculator">59 / 4</gadget>
<output>59/4 = around 14.75</output>

<result>59/4 = around 14.75</result>