Master Wang makes a batch of parts and completes them in 3 hours, 46 parts in the first hour, and 55 parts per hour on average in the next 2 hours. How many parts does Master Wang make on average per hour?
王师傅做一批零件，3小时完成，前1小时做46个，后2小时平均每小时做55个．王师傅平均每小时做多少个零件？
<gadget id="calculator">55 * 2</gadget>
<output>110</output>

<gadget id="calculator">46 + 110</gadget>
<output>156</output>

<gadget id="calculator">156 / 3</gadget>
<output>52</output>

<result>52</result>