Mom spent 21.8 yuan buying vegetables and 35.4 yuan buying rice in the supermarket, leaving 15.8 yuan left. How much money did mother bring?
妈妈在超市买菜花了21.8元，买米花了35.4元，还剩下15.8元，妈妈带了多少钱？
<gadget id="calculator">21.8 + 35.4 + 15.8</gadget>
<output>73</output>

<result>73</result>