"Little Restaurant" uses 11.5 tons of water per month, and there are 12 months in a year. According to this calculation, how many tons of water is used in a year?
"小小饭店"每月用水11.5吨，一年有12个月，照这样计算，一年用水多少吨？
<gadget id="calculator">11.5 * 12</gadget>
<output>138</output>

<result>138</result>