Guangming Primary School bought 86 books in May, 10 more than twice the amount in April. How many books did you buy in April? (solution by equation)
光明小学五月份买书86本，比四月份的2倍还多10本．四月份买书多少本？(用方程解)
<gadget id="calculator">86 - 10</gadget>
<output>76</output>

<gadget id="calculator">76 / 2</gadget>
<output>38</output>

<result>38</result>