The number of boys in the fifth grade of Yucai Primary School is the number of girls (7/9), so what is the number of boys in the whole grade?
育才小学五年级男生人数是女生人数的(7/9)，那么男生人数是全年级人数的多少
<gadget id="calculator">7 + 9</gadget>
<output>16</output>

<gadget id="calculator">7 / 16</gadget>
<output>7/16 = around 0.4375</output>

<result>7/16 = around 0.4375</result>