Li Hua's English scores averaged 90 points in the past few times, and this time he scored 99 points, and the average English score has been raised to 93 points. How many times is this the first time?
李华前几次的英语成绩平均90分，这一次99分，一下就把英语的平均分提高到了93分，这次是第几次？
<gadget id="calculator">99 - 90</gadget>
<output>9</output>

<gadget id="calculator">93 - 90</gadget>
<output>3</output>

<gadget id="calculator">9 / 3</gadget>
<output>3</output>

<result>3</result>