In the second quarter, Xiaoming’s house saved 36 yuan in utility bills, and Xiaohong’s saved three times as much in the second quarter as Xiaoming’s. How much did Xiaoming’s and Xiaohong’s save in total in the second quarter?
小明家第二季度节约水电费36元，小红家第二季度节约的水电费是小明家的3倍，小明家和小红家第二季度一共节约水电费多少元？
<gadget id="calculator">36 * 3</gadget>
<output>108</output>

<gadget id="calculator">108 + 36</gadget>
<output>144</output>

<result>144</result>