A boy has seven trousers and 12 shirts. In how many different ways can he select a trouser and a shirt?  Choose the correct choice
A) 88
B) 98
C) 106
D) 108
E) 84
Explanation:   The boy can select one trouser in seven ways.   The boy can select one shirt in 12 ways.   The number of ways in which he can select one trouser and one shirt is   7 * 12= 
<gadget id="calculator">  7 * 12</gadget>
<output>84</output>
84 ways   84)
<result>E</result>
A boy has seven trousers and 12 shirts. In how many different ways can he select a trouser and a shirt?