My mother spent 10 yuan, 60 cents, and 5 cents to buy vegetables at the vegetable market, and 12.5 yuan more to buy meat than vegetables. Mom brought 42.8 yuan, how much money is left?
妈妈去菜场买青菜用了10元6角5分，买肉比买青菜多用12.5元，妈妈带了42.8元，还剩多少元？
<gadget id="calculator">6 / 10</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">10 + (3/5) + (1/20)</gadget>
<output>213/20 = around 10.65</output>

<gadget id="calculator">(213/20) + 12.5 + (213/20)</gadget>
<output>33.8</output>

<gadget id="calculator">42.8 - 33.8</gadget>
<output>9</output>

<result>9</result>