Only the formula is not calculated: Xiaohong’s home is about 1.3 kilometers away from the school. She goes back and forth twice a day. How many kilometers does she have to walk in a week (5 days)?
只列式不计算：小红家到学校大约1.3千米，她每天往返两次，一周(按5天)要走多少千米？
<gadget id="calculator">2 * 2</gadget>
<output>4</output>

<gadget id="calculator">1.3 * 4 * 5</gadget>
<output>26</output>

<result>26</result>