Xiaoming is 6 years old this year, and Xiaojie is 3 years older than Xiaoming. Three years later, Xiaoming's age will be Xiaojie's age (fill in a fraction).
小明今年6岁，小杰比小明大3岁，三年后，小明年龄是小杰年龄的多少(填几分之几)．
<gadget id="calculator">6 + 3</gadget>
<output>9</output>

<gadget id="calculator">6 + 3 + 3</gadget>
<output>12</output>

<gadget id="calculator">9 / 12</gadget>
<output>3/4 = around 0.75</output>

<result>3/4 = around 0.75</result>