The teacher gave each of the 9 good students a flower, and there was an extra safflower. How many safflowers did the teacher have in total?
老师给9个三好生每人发一朵花，还多出1朵红花，老师共有多少朵红花？
<gadget id="calculator">1 * 9</gadget>
<output>9</output>

<gadget id="calculator">9 + 1</gadget>
<output>10</output>

<result>10</result>