Zhang Ming ran 3 laps along the playground that is 50 meters long and 24 meters wide. How many meters did he run in total?
张明沿着长50米，宽24米的操场跑了3圈，他一共跑了多少米．
<gadget id="calculator">50 + 24</gadget>
<output>74</output>

<gadget id="calculator">74 * 2 * 3</gadget>
<output>444</output>

<result>444</result>