There are 72 girls in the fifth grade in a school, and the number of boys (8/9) is equal to the number of girls. How many fifth graders are there in this school?
某校五年级有女生72人，男生人数的(8/9)与女生人数相等，该校五年级共有多少人？
<gadget id="calculator">8 / 9</gadget>
<output>8/9 = around 0.888889</output>

<gadget id="calculator">72 / (8/9)</gadget>
<output>81</output>

<gadget id="calculator">81 + 72</gadget>
<output>153</output>

<result>153</result>