A batch of cement is 120 tons. Car A and car B need to transport 10 times and 12 times respectively. How many tons more cement is transported by car A than car B each time?
一批水泥120吨，甲车、乙车单独运各需10次、12次，每次甲车比乙车多运多少吨水泥？
<gadget id="calculator">120 / 10</gadget>
<output>12</output>

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

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

<result>2</result>