The cafeteria manager brings a sum of money to buy meat. If he buys 10 kilograms of beef, the difference is 6 yuan, and if he buys 12 kilograms of pork, there is still 4 yuan left. It is known that beef is 3 yuan more expensive than pork per kilogram. How much money did the administrator bring?
食堂管理员带着一笔钱去买肉，如果买牛肉10千克还差6元，如果买猪肉12千克还剩4元．已知每千克牛肉比猪肉贵3元．问管理员带了多少钱？
<gadget id="calculator">10 * 3</gadget>
<output>30</output>

<gadget id="calculator">30 - 6 - 4</gadget>
<output>20</output>

<gadget id="calculator">12 - 10</gadget>
<output>2</output>

<gadget id="calculator">20 / 2</gadget>
<output>10</output>

<gadget id="calculator">12 * 10</gadget>
<output>120</output>

<gadget id="calculator">120 + 4</gadget>
<output>124</output>

<result>124</result>