There is 60kg of rice in the cafeteria, and 2 bags are brought in, each bag is b kg, and the formula is used to express the quality of the rice in the cafeteria.
食堂有大米60kg，又运来2袋，每袋b千克，用式子表示食堂现有大米的质量．
<gadget id="calculator">60 + 2</gadget>
<output>62</output>

<result>62</result>