Grandpa Wang went for a walk every morning. He walked 20 steps from the first tree on the roadside to the fifth tree. Grandpa Wang walked 300 steps on Sunday morning, which tree did he walk to?
王爷爷每天早晨去散步，他从路边第一棵树走到第五棵树走了20步．周日早晨王爷爷走了300步，他大约走到了第几棵树？
<gadget id="calculator">5 - 1</gadget>
<output>4</output>

<gadget id="calculator">20 / 4</gadget>
<output>5</output>

<gadget id="calculator">300 / 5</gadget>
<output>60</output>

<gadget id="calculator">60 + 1</gadget>
<output>61</output>

<result>61</result>