Mom buys a box of oranges. If she eats one more than the plan every day, she will eat 2 days less than the plan; if she eats one less than the plan every day, there will be 12 oranges left after the planned time. How many oranges are there in this box? indivual.
妈妈买来一箱桔子，若每天比计划多吃一个，则比计划少吃2天；若每天比计划少吃一个，则计划的时间过去后，还剩12个，那么这一箱桔子共多少个．
<gadget id="calculator">12 / 1</gadget>
<output>12</output>

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

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">10 * (1/2)</gadget>
<output>5</output>

<gadget id="calculator">5 * 12</gadget>
<output>60</output>

<result>60</result>