Xiao Ming and Xiao Gang read a 120-page book together. Xiao Ming read 8 pages on the first day, and Xiao Gang read 6 pages. Ask Xiao Ming finished, how many pages did Xiao Gang read?
小明和小刚一起看一本120页的书．第一天小明看了8页，小刚看了6页．问小明看完，小刚看几页？
<gadget id="calculator">120 / 8</gadget>
<output>15</output>

<gadget id="calculator">6 * 15</gadget>
<output>90</output>

<result>90</result>