In the activity of donating money for the earthquake-stricken area, the Lei Feng Group of Class 1, Grade 3, Changjiang Primary School donated a total of 998 yuan, including 4 female students, each donated 120 yuan, how much did the male students donate in total?
在为地震灾区捐款的活动中，长江小学三年级一班雷锋小组共捐款998元，其中女同学有4人，每人捐了120元，男同学一共捐了多少元？
<gadget id="calculator">120 * 4</gadget>
<output>480</output>

<gadget id="calculator">998 - 480</gadget>
<output>518</output>

<result>518</result>