Mom spent 45.8 yuan on a coat, which was 16.4 yuan more than buying trousers. How much did mother spend in total?
妈妈买一件外套用了45.8元，比买裤子多用了16.4元，妈妈一共花了多少元？
<gadget id="calculator">45.8 - 16.4</gadget>
<output>29.4</output>

<gadget id="calculator">45.8 + 29.4</gadget>
<output>75.2</output>

<result>75.2</result>