My mother is 35 years old this year. Xiaoming's age is that of his mother (2/7) and his grandmother's age (1/6). How old is his grandmother this year?
妈妈今年35岁，小明的年龄是妈妈的(2/7)，也是奶奶年龄的(1/6)，奶奶今年多大岁数？
<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">(2/7) / (1/6)</gadget>
<output>12/7 = around 1.714286</output>

<gadget id="calculator">35 * (12/7)</gadget>
<output>60</output>

<result>60</result>