Xiaoli went out in the morning and looked at the clock. At 7:00, when she came back, she found that the hour hand had turned 90°. What time is Xiaoli coming back?
小丽早上出门看了看钟表，7时整，当她再回来时，发现时针已经转动了90°，请问小丽回来时是几时？
<gadget id="calculator">90 / 30</gadget>
<output>3</output>

<gadget id="calculator">7 + 3</gadget>
<output>10</output>

<result>10</result>