After Grandma Zhang retired, she insisted on writing 8 big characters every day. How many big characters can she write in the first quarter of this year?
张奶奶退休后，每天坚持写8个大字．她在今年第一季度一共能写多少个大字？
<gadget id="calculator">90 * 3</gadget>
<output>270</output>

<result>270</result>