Xiao Ming's glass balls are three times that of Xiao Liang's. If Xiao Ming gives Xiao Liang 6 glass balls, then they both have the same number of glass balls. Ask Xiao Ming how many glass balls he has.
小明的玻璃球是小亮的3倍，如果小明给小亮6颗玻璃球，那么他们俩的玻璃球就一样多．问小明有多少颗玻璃球．
<gadget id="calculator">3 - 1</gadget>
<output>2</output>

<gadget id="calculator">2 / 2</gadget>
<output>1</output>

<gadget id="calculator">6 * 1 * 3</gadget>
<output>18</output>

<result>18</result>