Xiao Zhang's 7-hour workload is equal to Xiao Wang's 6-hour workload. They both produced 65 parts at the same time. How many parts did Xiao Zhang make less than Xiao Wang?
小张7小时的工作量与小王6小时的工作量相等，他们两人在同一时间共生产了65个零件，问小张比小王少做几个零件？
<gadget id="calculator">6 + 7</gadget>
<output>13</output>

<gadget id="calculator">65 / 13</gadget>
<output>5</output>

<gadget id="calculator">7 - 6</gadget>
<output>1</output>

<gadget id="calculator">5 * 1</gadget>
<output>5</output>

<result>5</result>