At 6:15 on the clock, what is the angle formed by the clock and the minute hand?
时钟6点15分时，时钟和分针所成的角为多少度．
<gadget id="calculator">30 * 3</gadget>
<output>90</output>

<gadget id="calculator">90 + 7.5</gadget>
<output>97.5</output>

<result>97.5</result>