1 square meter of green land can release about 15 grams of oxygen and absorb 20 grams of carbon dioxide every day. Our school has a total of 160 square meters of lawn, how many grams of oxygen can be released every day?
1平方米绿地每天大约能释放出氧气15克，吸收二氧化碳20克．我们学校共有160平方米的草坪，每天能释放氧气多少克？
<gadget id="calculator">15 * 160</gadget>
<output>2_400</output>

<result>2_400</result>