The canteen has 120 tons of flour, and the rice is 15 tons more than three times the amount of flour. How many tons of rice flour are there in the canteen?
食堂有面粉120吨，大米是面粉的3倍还多15吨，求食堂有大米面粉多少吨？
<gadget id="calculator">120 * 3</gadget>
<output>360</output>

<gadget id="calculator">360 + 15</gadget>
<output>375</output>

<gadget id="calculator">375 + 120</gadget>
<output>495</output>

<result>495</result>