/* package whatever; // don't place package name! */
import java.util.*;
import java.lang.*;
import java.io.*;
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
{
int b = 2;
int c = 3;
int h = 4;
System.
out.
print("area of trapizoid: "); System.
out.
println(1/2*(b
+c
)*h
); }
}
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