There are 8 more boys than girls in the fourth grade of Mamiao Primary School. It is known that there are 86 boys. How many people are there in the fourth grade?
马庙小学四年级的男生比女生多8人，已知男生有86人，四年级全级共有多少人？
<gadget id="calculator">86 - 8</gadget>
<output>78</output>

<gadget id="calculator">78 + 86</gadget>
<output>164</output>

<result>164</result>