UVA_10300_Ecological_Problem

#include <stdio.h>
#include <stdlib.h>


int main(int argc, char** argv) {
    int t,metres,nanim,deg,nfarm,i,j,suma;
    while(scanf("%d",&t)==1){/*read number of test cases*/

        for(i=0;i<t;i++){
        suma=0;
        scanf("%d",&nfarm);/*number of farmers*/
         for(j=0;j<nfarm;j++){
            scanf("%d %d %d",&metres,&nanim,&deg);
            suma=suma+(metres*deg);
         }
         printf("%d\n",suma);
        }

    }
    return (EXIT_SUCCESS);
}