Mother pays 145.4 yuan for electricity and 43.8 yuan for water. At this time, mother has 154.6 yuan left. How much money does mother have?
妈妈付电费用去145.4元，付水费用43.8元，这时妈妈还剩154.6元，妈妈原来有多少钱？
<gadget id="calculator">145.4 + 43.8 + 154.6</gadget>
<output>343.8</output>

<result>343.8</result>