The three granaries A, B, and C store a total of 109 tons of grain. Among them, the total amount of grain in granary A is three times that of granary B by 1 ton, and the total amount of grain in granary B is twice that of granary C. Question: How much more grain is stored in Granary A than in Granary C?
甲、乙、丙三个粮仓一共存有109吨粮食．其中甲粮仓的粮食总量比乙粮仓的3倍多1吨，而乙粮仓的粮食总量则是丙粮仓的2倍．问：甲粮仓比丙粮仓多存粮多少吨？
<gadget id="calculator">109 - 1</gadget>
<output>108</output>

<gadget id="calculator">1 + 2 + 6</gadget>
<output>9</output>

<gadget id="calculator">108 / 9</gadget>
<output>12</output>

<gadget id="calculator">12 * 6</gadget>
<output>72</output>

<gadget id="calculator">1 - 12</gadget>
<output>-11</output>

<gadget id="calculator">72 + (-11)</gadget>
<output>61</output>

<result>61</result>